Interstate 10
Encyclopedia
Interstate 10 is the fourth-longest Interstate Highway
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, , is a network of limited-access roads including freeways, highways, and expressways forming part of the National Highway System of the United States of America...

 in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, after I-90
Interstate 90
Interstate 90 is the longest Interstate Highway in the United States at . It is the northernmost coast-to-coast interstate, and parallels US 20 for the most part. Its western terminus is in Seattle, at Edgar Martinez Drive S. near Safeco Field and CenturyLink Field, and its eastern terminus is in...

, I-80
Interstate 80
Interstate 80 is the second-longest Interstate Highway in the United States, following Interstate 90. It is a transcontinental artery running from downtown San Francisco, California to Teaneck, New Jersey in the New York City Metropolitan Area...

, and I-40
Interstate 40
Interstate 40 is the third-longest major east–west Interstate Highway in the United States, after I-90 and I-80. Its western end is at Interstate 15 in Barstow, California; its eastern end is at a concurrency of U.S. Route 117 and North Carolina Highway 132 in Wilmington, North Carolina...

. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4
Interstate 4
Interstate 4 is a intrastate Highway located entirely within the state of Florida, United States. It goes from Interstate 275 in Tampa, Florida to Interstate 95 at Daytona Beach, Florida . It also has the Florida Department of Transportation designation of State Road 400, but only a small...

 and I-8
Interstate 8
Interstate 8 is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Blvd, in San Diego, California, almost at the Pacific Ocean, to the junction with Interstate 10, just southeast of Casa Grande, Arizona...

 are further south. It stretches from the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 at State Route 1
California State Route 1
State Route 1 , more often called Highway 1, is a state highway that runs along much of the Pacific coast of the U.S. state of California. It is famous for running along some of the most beautiful coastlines in the world, leading to its designation as an All-American Road.Highway 1 does not run...

 (Pacific Coast Highway) in Santa Monica
Santa Monica, California
Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 to Interstate 95
Interstate 95 in Florida
Interstate 95 is the main Interstate Highway on the east coast of the United States; it serves the Atlantic coast of Florida. It begins at a partial interchange with U.S. Highway 1 just south of downtown Miami, and heads north past Daytona Beach and Jacksonville to the Georgia state line at the St...

 in Jacksonville
Jacksonville, Florida
Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...

, Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

. I-10 intersects with nine of the 10 primary north–south interstates (all except I-85
Interstate 85
Interstate 85 is a major interstate highway in the Southeastern United States. Its current southern terminus is at an interchange with Interstate 65 in Montgomery, Alabama; its northern terminus interchanges with Interstate 95 in Petersburg, Virginia, near Richmond...

) and also with the major Interstate routes I-8
Interstate 8
Interstate 8 is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Blvd, in San Diego, California, almost at the Pacific Ocean, to the junction with Interstate 10, just southeast of Casa Grande, Arizona...

, I-12
Interstate 12
Interstate 12 is an intrastate Interstate Highway located entirely within the state of Louisiana. I-12 starts in Baton Rouge at Interstate 10, and travels along the North Shore of Lake Pontchartrain before ending at the intersection of Interstate 10 and Interstate 59 near Slidell...

, I-17
Interstate 17
Interstate 17 , also known as the Black Canyon Freeway, is an intrastate Interstate Highway located entirely within the state of Arizona, United States. I-17's southern terminus lies within Phoenix, at Interstate 10, and its northern terminus is in Flagstaff, at Interstate 40...

, I-19
Interstate 19
Interstate 19 is an intrastate Interstate Highway located entirely within the state of Arizona. I-19 runs from Nogales, roughly 1,500 feet from the Mexican border, to Tucson, at Interstate 10...

, I-20
Interstate 20
Interstate 20 is a major east–west Interstate Highway in the Southern United States. I‑20 runs 1,535 miles from near Kent, Texas, at Interstate 10 to Florence, South Carolina, at Interstate 95...

, I-37
Interstate 37
Interstate 37 is a intrastate Interstate Highway located within the U.S. state of Texas. The highway was first designated in 1959 as a route between Corpus Christi and San Antonio. Construction in the urban areas of Corpus Christi and San Antonio began in the 1960s and the segments of the...

, I-49
Interstate 49
Interstate 49 is currently an intrastate Interstate Highway located entirely within the state of Louisiana in the southern United States. Its southern terminus is in Lafayette, Louisiana, at Interstate 10 while its northern terminus is in Shreveport, Louisiana, at Interstate 20.-Route...

 and I-59
Interstate 59
Interstate 59 is an Interstate Highway in the southern United States. Its southern terminus is near Slidell, Louisiana, a suburb of New Orleans, at an intersection with Interstate 10 and Interstate 12, its northern terminus is at Wildwood, Georgia, at an intersection with Interstate 24.The road's...

.

Route description

|-
| CA
Interstate 10 in California
Interstate 10 , the major east–west Interstate Highway in the Southern United States, runs in the U.S. state of California east from Santa Monica, on the Pacific Ocean, through Los Angeles and San Bernardino to the border with Arizona...


| 242.54
| 390.33
|-
| AZ
Interstate 10 in Arizona
In the U.S. state of Arizona, Interstate 10, the major east–west Interstate Highway in the southern United States, runs east from California, enters Arizona and continues through Phoenix and Tucson and exits at the border with New Mexico.-Route description:...


| 392.33
| 631.39
|-
| NM
Interstate 10 in New Mexico
Interstate 10 in the U.S. state of New Mexico is long main route of the Interstate Highway System. I-10 traverses Southern New Mexico through Hidalgo, Grant, Luna, and Doña Ana counties. The Interstate travels west–east between the Arizona state line and the interchange with I-25 in Las...


| 164.27
| 264.37
|-
| TX
Interstate 10 in Texas
Interstate 10 is the major east–west Interstate Highway in the Southern United States. In the U.S. state of Texas, it runs east from El Paso, near the border with New Mexico, through San Antonio and Houston to the border with Louisiana in Orange, Texas....


| 881
| 1417.83
|-
| LA
Interstate 10 in Louisiana
Interstate 10, a major transcontinental Interstate Highway in the Southern U.S., runs across the southern part of the U.S. state of Louisiana. It passes through Lake Charles, Lafayette and Baton Rouge before dipping south of Lake Pontchartrain to serve the New Orleans area and then passing through...


| 274.42
| 441.64
|-
| MS
Interstate 10 in Mississippi
Interstate 10 is a major east–west Interstate Highway in the southern areas of the United States. It runs nearly coast to coast from Santa Monica, California to Jacksonville, Florida.-Route description:...


| 77.19
| 124.23
|-
| AL
| 66.31
| 106.72
|-
| FL
Interstate 10 in Florida
The of Interstate 10 in Florida is the eastern most section of the east–west Interstate 10 in the Southern United States. It is also the eastern end of the Interstate Highway known as the Christopher Columbus Transcontinental Highway, one of three coast to coast interstates, along with I-80...


| 362.26
| 583.00
|-
|Total
| 2460.34
| 3959.53
|}

California

Between its west terminus in Santa Monica
Santa Monica, California
Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 and the East Los Angeles Interchange
East Los Angeles Interchange
The East Los Angeles Interchange complex is the busiest freeway interchange in the world, with its southern portion handling over 550,000 vehicles per day . The northern portion, called the San Bernardino Split, is often considered a separate interchange. The interchange was named the Eugene A....

 it is known as the Santa Monica Freeway. The Santa Monica Freeway is also called the "Rosa Parks
Rosa Parks
Rosa Louise McCauley Parks was an African-American civil rights activist, whom the U.S. Congress called "the first lady of civil rights", and "the mother of the freedom movement"....

 Freeway" for the segment beginning at I-405
Interstate 405 (California)
Interstate 405 is a major north–south Interstate Highway in Southern California. It is a bypass of Interstate 5, running along the western areas of the Greater Los Angeles Area from Irvine in the south to near San Fernando in the north...

 (the San Diego Freeway), and ending at I-110 / State Route 110 (the Harbor Freeway); either name can be used when referring to this stretch of road. The segment between the East Los Angeles
East Los Angeles, California
East Los Angeles is an unincorporated area and census-designated place in Los Angeles County, California, United States...

 Interchange
Interchange (road)
In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...

 and the city of San Bernardino
San Bernardino, California
San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...

, California, 63 miles (101.4 km) long, is known as the San Bernardino Freeway
San Bernardino Freeway
The San Bernardino Freeway, formerly known as the Ramona Freeway is a freeway in Los Angeles and Orange Counties in the southern part of the U.S. state of California. It refers to the following two segments:...

. Other names exist for I-10. For example, a sign near the western terminus of the highway (in Santa Monica, California
Santa Monica, California
Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

) announces it as the Christopher Columbus Transcontinental Highway. It is known to a considerably lesser degree as the "Veterans Memorial Highway", and it is listed as a Blue Star Memorial Highway
Blue Star Memorial Highway
Blue Star Memorial Highways are highways in the United States that are marked to pay tribute to the U.S. armed forces. The National Council of State Garden Clubs, now known as National Garden Clubs, Inc., started the program in 1945 after World War II. The blue star was used on service flags to...

.

A stretch in Palm Springs
Palm Springs, California
Palm Springs is a desert city in Riverside County, California, within the Coachella Valley. It is located approximately 37 miles east of San Bernardino, 111 miles east of Los Angeles and 136 miles northeast of San Diego...

 is signed as the Sonny Bono
Sonny Bono
Salvatore Phillip "Sonny" Bono was an American recording artist, record producer, actor, and politician whose career spanned over three decades.-Early life:...

 Memorial Freeway
as a tribute to the late entertainer who served both as mayor and as a United States Congressman. A second stretch a short distance east in Indio
Indio, California
Indio is a city in Riverside County, California, United States, located in the Coachella Valley of Southern California's Colorado Desert region. It lies east of Palm Springs, east of Riverside, and east of Los Angeles. It is about north of Mexicali, Baja California on the U.S.-Mexican border...

 is signed as the Doctor June McCarroll
June McCarroll
June Hill Robertson McCarroll was a nurse with the Southern Pacific Railroad in the early twentieth century who is credited by Caltrans with the simple but revolutionary idea of delineating highways with a painted line to separate lanes of traffic...

 Memorial Freeway
. As a nurse with the Southern Pacific Railroad
Southern Pacific Railroad
The Southern Pacific Transportation Company , earlier Southern Pacific Railroad and Southern Pacific Company, and usually simply called the Southern Pacific or Espee, was an American railroad....

 in 1924, Dr. McCarroll was alarmed at the number of head-on traffic collisions on a nearby stretch of then-new U.S. Route 99
U.S. Route 99
U.S. Route 99 was the main north–south highway on the West Coast of the United States until 1964, running from Calexico, California, on the U.S.-Mexico border to Blaine, Washington, on the U.S.-Canada border. It was a route of the United States Numbered Highways, assigned in 1926 and existing...

, today known as State Route 86
California State Route 86
State Route 86 is a north–south state highway in the southeastern desert region of Southern California, United States. It runs from State Route 111, near the Mexican border crossing at Calexico, north through the Imperial Valley via El Centro and Brawley, and around the west side of the...

. She is credited with having a white stripe painted down the middle of Route 99 near Coachella, California
Coachella, California
Coachella is a city in Riverside County, California; it is the easternmost city in the region collectively known as the Coachella Valley...

 to separate the two lane
Lane
A lane is a part of the roadway within a road marked out for use by a single line of vehicles in such a way as to control and guide drivers for the purpose of reducing traffic conflicts. Most public roads have at least two lanes, one for traffic in each direction, separated by Lane markings...

s of traffic.

Arizona

In Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

, the highway is designated the Pearl Harbor
Attack on Pearl Harbor
The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941...

 Memorial Highway
. The portion through Phoenix
Phoenix, Arizona
Phoenix is the capital, and largest city, of the U.S. state of Arizona, as well as the sixth most populated city in the United States. Phoenix is home to 1,445,632 people according to the official 2010 U.S. Census Bureau data...

 is named the Papago
Tohono O'odham
The Tohono O'odham are a group of Native American people who reside primarily in the Sonoran Desert of the southeastern Arizona and northwest Mexico...

 Freeway
and is a vital piece of the regional freeway system. This designation starts at AZ Loop 101, near 99th Avenue, at which point Loop 101 currently terminates, and runs eastward to the interchange southeast of downtown which is the terminus of I-17
Interstate 17
Interstate 17 , also known as the Black Canyon Freeway, is an intrastate Interstate Highway located entirely within the state of Arizona, United States. I-17's southern terminus lies within Phoenix, at Interstate 10, and its northern terminus is in Flagstaff, at Interstate 40...

.

From the southern terminus of Interstate 17 to the junction with AZ Loop 202
Arizona State Route 202
State Route 202, or Loop 202, is the beltway encompassing the eastern Phoenix, Arizona, United States Metropolitan area. It navigates and surrounds the cities of Tempe, Mesa, Chandler, and Gilbert, making it very vital to the area freeway system...

, the highway is signed as the Maricopa Freeway. This name holds true as well for I-17 from its southern terminus to its second junction with I-10, north of McDowell Road. From Loop 202 south to I-8
Interstate 8
Interstate 8 is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Blvd, in San Diego, California, almost at the Pacific Ocean, to the junction with Interstate 10, just southeast of Casa Grande, Arizona...

's eastern terminus just southeast of Casa Grande
Casa Grande, Arizona
Casa Grande is a city in Pinal County, approximately halfway between Phoenix and Tucson in the U.S. state of Arizona. According to 2010 Census, the population of the city is 48,571...

, the highway is signed as the "Pearl Harbor Memorial Highway". ADOT also has maps that show it as the Maricopa Freeway, while AAA and other sources show it as the Pima Freeway. The latter's name is used on a stretch of Loop 101 from Loop 202 to Interstate 17.

Between Interstate 17 in Phoenix and the Interstate 19 interchange in Tucson, I-10 is included in the federally-designated CANAMEX corridor, extending from Mexico City
Mexico City
Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

 to Edmonton, Alberta.

In Tucson, Arizona, between I-10 mileposts 259 and 260 are interchange ramps connecting I-10 with the northern terminus of Interstate 19. I-19 leads 100 kilometres (62.1 mi) south to its termination at the US-Mexico border at Nogales, Arizona
Nogales, Arizona
Nogales is a city in Santa Cruz County, Arizona, United States. The population was 21,017 at the 2010 census. According to 2005 Census Bureau estimates, the population of the city is 20,833. The city is the county seat of Santa Cruz County....

. Distances on Interstate 19 are measured in kilometers.

Also in Tucson, all exits between Prince Road and 22nd Street are being reopened after an extensive, three-year improvement project. I-10 has been being widened from six to eight lanes, and seven bridges and underpasses have been built to deal with congestion. Plans are also under way to widen I-10 from Marana
Marana, Arizona
Marana is a town in Pima County, Arizona, located northwest of Tucson, with a small portion in Pinal County. According to the 2010 census, the population of the town is 34,961...

 north to the I-8 interchange at Casa Grande from 4 lanes to 6 lanes starting in the later half of 2007 and continuing into 2008 and 2009.

New Mexico

Interstate 10 in New Mexico follows the former path of U.S. Route 80
U.S. Route 80
U.S. Route 80 is an east–west United States highway, much of which was once part of the early auto trail known as the Dixie Overland Highway. As the "0" in the route number indicates, it was originally a cross-country route, from the Atlantic to the Pacific...

 across the state. Only three cities of significant size are located on the interstate: Lordsburg
Lordsburg, New Mexico
-Demographics:As of the census of 2000, there were 3,379 people, 1,220 households, and 854 families residing in the city. The population density was 403.1 people per square mile . There were 1,414 housing units at an average density of 168.7 per square mile...

, Deming
Deming, New Mexico
Deming is a city in Luna County, New Mexico, United States, located 60 miles west of Las Cruces. The population was 14,116 at the 2000 census. Deming is the county seat and principal town of Luna County.-History:...

, and Las Cruces
Las Cruces, New Mexico
Las Cruces, also known as "The City of the Crosses", is the county seat of Doña Ana County, New Mexico, United States. The population was 97,618 in 2010 according to the 2010 Census, making it the second largest city in the state....

. Most of I-10 in New Mexico, between Exit 24 and Exit 135, is concurrent with U.S. Route 70
U.S. Route 70
U.S. Route 70 is an east–west United States highway that runs for 2,385 miles from eastern North Carolina to east-central Arizona. As can be derived from its number, it is a major east–west highway of the Southern and Southwestern United States...

.

At Lordsburg is the western junction of U.S. Route 70
U.S. Route 70
U.S. Route 70 is an east–west United States highway that runs for 2,385 miles from eastern North Carolina to east-central Arizona. As can be derived from its number, it is a major east–west highway of the Southern and Southwestern United States...

 and a concurrency
Concurrency (road)
A concurrency, overlap, or coincidence in a road network is an instance of one physical road bearing two or more different highway, motorway, or other route numbers...

; the two highways are joined all the way to Las Cruces. Several exits between Lordsburg and Deming are either for former towns (including Separ
Separ, New Mexico
Separ is an unincorporated community in Grant County in the bootheel of southwestern New Mexico, in the southwestern United States. Although it currently has a small population, it is considered a ghost town. Separ lies in the endorheic Guzmán Basin; as a result the continental divide passes both...

, Quincy, and Gage
Gage, New Mexico
Gage is a former town in western Luna County, New Mexico, United States. It is found on Interstate 10/U.S. Route 70 twenty miles west of Deming. As of 1930, the population was 102. For some time, it survived as a ghost town, but the ruins have now been razed. A truck stop is all that remains.-...

) or lack any town at all.

At Deming is the western junction of U.S. Route 180
U.S. Route 180
U.S. Route 180 is an east–west United States highway. Like many three-digit routes, US 180 no longer meets its "parent", US 80. US 80 was decommissioned west of Mesquite, Texas, and was replaced in Texas by Interstate 20 and Interstate 10. The highway's eastern terminus is in Hudson Oaks,...

, which also forms a concurrency with I-10 all the way to El Paso. One mile (1.6 km) north of Deming on US 180 is New Mexico Route 26 which serves as a short cut to north I-25 and Albuquerque
Albuquerque, New Mexico
Albuquerque is the largest city in the state of New Mexico, United States. It is the county seat of Bernalillo County and is situated in the central part of the state, straddling the Rio Grande. The city population was 545,852 as of the 2010 Census and ranks as the 32nd-largest city in the U.S. As...

.

I-10/US 70/US 180 continue east to Las Cruces which is the southern end of Interstate 25
Interstate 25
Interstate 25 is an Interstate Highway in the western United States. It is primarily a north–south highway. I-25 stretches from Interstate 10 at Las Cruces, New Mexico, , to Interstate 90 in Buffalo, Wyoming, .Interstate 25 is the main north–south expressway through...

. Also, US 70 leaves Interstate 10, heading northeast to Alamogordo
Alamogordo, New Mexico
Alamogordo is the county seat of Otero County and a city in south-central New Mexico, United States. A desert community lying in the Tularosa Basin, it is bordered on the east by the Sacramento Mountains. It is the nearest city to Holloman Air Force Base. The population was 35,582 as of the 2000...

. I-10/US 180 then turns south to the Texas state line.

Texas

From the state line with New Mexico to State Highway 20
State Highway 20 (Texas)
State Highway 20 or SH 20 is a highway maintained by the Texas Department of Transportation that runs from New Mexico State Road 460 at the state line between Texas and New Mexico at Anthony in El Paso County to Interstate 10 at McNary in Hudspeth County. The route passes through the city of El...

 in west El Paso
El Paso, Texas
El Paso, is a city in and the county seat of El Paso County, Texas, United States, and lies in far West Texas. In the 2010 census, the city had a population of 649,121. It is the sixth largest city in Texas and the 19th largest city in the United States...

, I-10 is bordered by frontage roads South Desert for lanes along I-10 East (actually headed south) and North Desert for lanes along I-10 West (headed north). The interstate then has no frontage roads for 9 miles (14.5 km) but regains them east of downtown and retains them to Clint
Clint, Texas
Clint is a town in El Paso County, Texas, United States. The population was 980 at the 2000 census. It is part of the El Paso Metropolitan Statistical Area.-Geography:Clint is located at ....

. In this stretch, the frontage roads are Gateway East for the eastbound lanes and Gateway West for the westbound lanes. All four frontage roads are one way streets.

In rural West Texas
West Texas
West Texas is a vernacular term applied to a region in the southwestern quadrant of the United States that primarily encompasses the arid and semi-arid lands in the western portion of the state of Texas....

, several local law enforecment agencies have realized the monetary gains to be had by conducting speed trap
Speed Trap
Speed Trap is a live jazz album by Peter King, recorded at Ronnie Scott's Jazz Club in September 1994, and released in 1996 under the Ronnie Scotts Jazz House label...

 law enforcement along the corridor. These agencies have been proven by the Texas Department of Public Safety
Texas Department of Public Safety
The Texas Department of Public Safety is a department of the government of the state of Texas. The DPS is responsible for statewide law enforcement and vehicle regulation. The Public Safety Commission oversees the DPS. Its five members are appointed by the Governor of Texas and confirmed by the...

 to be specifically targeting out-of-state drivers travelling on Interstate 10
Interstate 10
Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,...

. The most well-known is Sutton County, Texas, averaging more than 48,000 citations per year (over 10 per year per capita). Recent changes raising the speed limit have helped to the problem, but enforcement remains very strict for foreign drivers.

A small portion of I-10 from Loop 1604 to downtown in San Antonio
San Antonio, Texas
San Antonio is the seventh-largest city in the United States of America and the second-largest city within the state of Texas, with a population of 1.33 million. Located in the American Southwest and the south–central part of Texas, the city serves as the seat of Bexar County. In 2011,...

 is known as the Northwest Expressway or the McDermott Freeway, while another portion from downtown to Loop 1604 East is called East Expressway or Jose Lopez Freeway.

In Houston
Houston, Texas
Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of . Houston is the seat of Harris County and the economic center of , which is the ...

, from the western suburb of Katy
Katy, Texas
Katy is a city located in Harris, Fort Bend and Waller Counties in the U.S. state of Texas, within the Houston–Sugar Land–Baytown metropolitan area...

 to downtown, I-10 is known as the Katy Freeway. This section was recently widened to as much as 26 lanes (12 mainlanes, 4 lanes of access roads, and 4-6 mid-freeway HOT/HOV
High-occupancy vehicle lane
In transportation engineering and transportation planning, a high-occupancy vehicle lane is a lane reserved for vehicles with a driver and one or more passengers...

 lanes, not counting access road turning lanes) and is one of the widest freeways in the world. The space for the expansion was the right-of-way of the old Missouri-Kansas-Texas Railroad
Missouri-Kansas-Texas Railroad
The Missouri–Kansas–Texas Railroad was incorporated May 23, 1870. In its earliest days the MKT was commonly referred to as "the K-T", which was its stock exchange symbol; this common designation soon evolved into "the Katy"....

. The section east of downtown Houston is officially known as the East Freeway, although it is widely known by locals as the Baytown East Freeway due to a marketing push by Baytown
Baytown, Texas
Baytown is a city within Harris County and partially in Chambers County in the Gulf Coast region of the U.S. state of Texas. Located within the Houston–Sugar Land–Baytown metropolitan area, it lies along both State Highway 146 and Interstate 10. As of 2010, Baytown had an population of 71,802...

, one of the largest cities in the Greater Houston Area
Greater Houston
Houston–Sugar Land–Baytown is a 10-county metropolitan area defined by the Office of Management and Budget. It is located along the Gulf Coast region in the U.S. state of Texas...

.

In Beaumont
Beaumont, Texas
Beaumont is a city in and county seat of Jefferson County, Texas, United States, within the Beaumont–Port Arthur Metropolitan Statistical Area. The city's population was 118,296 at the 2010 census. With Port Arthur and Orange, it forms the Golden Triangle, a major industrial area on the...

, it is known as I-10 South, south of Calder Avenue, and I-10 North, north of Calder Avenue. It is known as I-10 East from the I-10 curve to the Neches River, which is Beaumont's and Jefferson County's eastern boundary line. Orange County is on the other side.

Speed limit

Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 formerly shared the highest speed limit in the nation with Utah
Utah
Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

's test section of I-15
Interstate 15
Interstate 15 is the fourth-longest north–south Interstate Highway in the United States, traveling through the states of California, Nevada, Arizona, Utah, Idaho, and Montana from San Diego to the Canadian border...

. The speed limit along I-10 from Kerr County
Kerr County, Texas
Kerr County is a county located on the Edwards Plateau in the U.S. state of Texas. In 2010, its population was 49,625. Its county seat is Kerrville. Kerr County was named by Joshua D. Brown for his fellow Kentucky native, James Kerr, a congressman of the Republic of Texas...

 to El Paso County was raised by the Texas Legislature
Texas Legislature
The Legislature of the state of Texas is the state legislature of the U.S. state of Texas. The legislature is a bicameral body composed of a 31-member Senate and a 150-member House of Representatives. The Legislature meets at the Capitol in Austin...

 to 75 miles per hour (33.5 m/s) in 1999 and to 80 miles per hour (35.8 m/s) in 2006. However, the nighttime maximum speed limit remained 65 miles per hour (29.1 m/s) and the daytime truck speed limit was 70 miles per hour (31.3 m/s). With 70000 miles (112,653.8 km) of highway in Texas the 432 miles (695.2 km) stretch of Interstate 10, and 89 miles (143.2 km) of Interstate 20, between Monahans and the I-10 interchange at the cusp of the Jeff Davis Mountains, only a small percentage of roads were affected.

Effective on September 1, 2011, the statutory speed limit in Texas was increased from 80 to 85 mph, and night-time speed limits were eliminated.

Louisiana

In Louisiana
Louisiana
Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

, an 18 miles (29 km) stretch of elevated highway between Lafayette and Baton Rouge is known as the Atchafalaya Swamp Freeway, as it goes over the Atchafalaya River
Atchafalaya River
The Atchafalaya River is a distributary of the Mississippi River and Red River in south central Louisiana in the United States. It flows south, just west of the Mississippi River....

, across the Atchafalaya Basin Bridge
Atchafalaya Basin Bridge
The Atchafalaya Basin Bridge is a pair of parallel bridges in the US state of Louisiana between Baton Rouge and Lafayette which carries Interstate 10 over the Atchafalaya Basin. With a total length of or 18.2 miles, it is the fourteenth longest bridge in the world by total length.The bridge...

, and the adjacent swamps. It crosses the Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

 at the Horace Wilkinson Bridge
Horace Wilkinson Bridge
The Horace Wilkinson Bridge is a cantilever bridge carrying Interstate 10 in Louisiana across the Mississippi River from Port Allen in West Baton Rouge Parish to Baton Rouge in East Baton Rouge Parish...

. In Lake Charles
Lake Charles, Louisiana
Lake Charles is the fifth-largest incorporated city in the U.S. state of Louisiana, located on Lake Charles, Prien Lake, and the Calcasieu River. Located in Calcasieu Parish, a major cultural, industrial, and educational center in the southwest region of the state, and one of the most important in...

, a 13 miles (20.9 km) stretch called I-210
Interstate 210 (Louisiana)
Interstate 210 in Louisiana is a bypass route in Lake Charles, in the southwestern part of the state. As a bypass of I-10, both of the ends of I-210 meet with I-10.-Route description:...

 goes through the southern portion of the city. Interstate 12
Interstate 12
Interstate 12 is an intrastate Interstate Highway located entirely within the state of Louisiana. I-12 starts in Baton Rouge at Interstate 10, and travels along the North Shore of Lake Pontchartrain before ending at the intersection of Interstate 10 and Interstate 59 near Slidell...

 links Baton Rouge to Slidell and bypasses Interstate 10's southward jog through New Orleans by remaining north of Lake Pontchartrain
Lake Pontchartrain
Lake Pontchartrain is a brackish estuary located in southeastern Louisiana. It is the second-largest inland saltwater body of water in the United States, after the Great Salt Lake in Utah, and the largest lake in Louisiana. As an estuary, Pontchartrain is not a true lake.It covers an area of with...

. In New Orleans
New Orleans, Louisiana
New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population...

, a stretch of I-10 from the I-10/I-610 Junction near the Orleans-Jefferson parish line to the U.S. Route 90
U.S. Route 90
U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S...

 / U.S. Route 90 Business
U.S. Route 90 Business (New Orleans, Louisiana)
U.S. Highway 90 Business is a business route of U.S. Highway 90 in and near New Orleans, Louisiana, United States. Unlike a standard business route, it is built to higher standards than the segment of U.S. 90 that it parallels, with over half built to freeway standards and designated Interstate 910...

 Junction is known as the Pontchartrain Expressway
Pontchartrain Expressway
The Pontchartrain Expressway is a parallel 6-lane section of Interstate 10 and U.S. Route 90 in New Orleans, Louisiana. The designation begins on I-10 near the Orleans Parish/Jefferson Parish line at the I-610 Split. The expressway follows I-10 into the Central Business District of New Orleans ...

. A dip near the I-10/I-610 Junction to travel under a railroad track is one of the lowest points in New Orleans, and is highly susceptible to flooding. Pictures of water dozens of feet deep during Hurricane Katrina
Hurricane Katrina
Hurricane Katrina of the 2005 Atlantic hurricane season was a powerful Atlantic hurricane. It is the costliest natural disaster, as well as one of the five deadliest hurricanes, in the history of the United States. Among recorded Atlantic hurricanes, it was the sixth strongest overall...

 are commonplace. Near Slidell
Slidell, Louisiana
Slidell is a city situated on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 25,695 at the 2000 census. The Greater Slidell Community has a population of about 90,000...

, the final stretch of I-10 through the Mississippi
Mississippi
Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

 state line is known as the Stephen Ambrose
Stephen Ambrose
Stephen Edward Ambrose was an American historian and biographer of U.S. Presidents Dwight D. Eisenhower and Richard Nixon. He was a long time professor of history at the University of New Orleans and the author of many best selling volumes of American popular history...

 Memorial Highway
.

I-310
Interstate 310
Interstate 310 is a short spur route of Interstate 10 near New Orleans, Louisiana, United States. It runs south from Interstate 10 near the New Orleans International Airport, intersects with U.S. Highway 61 and ends at the junction with U.S...

 and I-510
Interstate 510
Interstate 510 is a short spur route of Interstate 10 within in eastern New Orleans, Louisiana, United States. It runs south from Interstate 10, intersects with U.S. Highway 90, and ends at the Almonaster Boulevard interchange, near the NASA Michoud Assembly Facility...

 are parts of what was slated to be I-410 and act as a southern bypass of New Orleans
New Orleans, Louisiana
New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population...

. I-610
Interstate 610 (Louisiana)
Interstate 610 is a long auxiliary route of Interstate 10 that lies entirely within the boundaries of New Orleans, Louisiana.-Route description:...

 is a shortcut from the eastern to western portion of New Orleans avoiding I-10's detour into New Orleans' Central Business District.

Mississippi

Interstate 10 in Mississippi runs from the Louisiana state line to the Alabama state line through Hancock, Harrison and Jackson counties on the Gulf Coast. It passes through the northern sections of Gulfport
Gulfport, Mississippi
Gulfport is the second largest city in Mississippi after the state capital Jackson. It is the larger of the two principal cities of the Gulfport-Biloxi, Mississippi Metropolitan Statistical Area, which is included in the Gulfport-Biloxi-Pascagoula, Mississippi Combined Statistical Area. As of the...

 and Biloxi
Biloxi, Mississippi
Biloxi is a city in Harrison County, Mississippi, in the United States. The 2010 census recorded the population as 44,054. Along with Gulfport, Biloxi is a county seat of Harrison County....

 while passing just north of Pascagoula
Pascagoula, Mississippi
Pascagoula is a city in Jackson County, Mississippi, United States. It is the principal city of the Pascagoula, Mississippi Metropolitan Statistical Area, as a part of the Gulfport–Biloxi–Pascagoula, Mississippi Combined Statistical Area. The population was 26,200 at the 2000 census...

 and Bay St. Louis. It also passes right south of the Stennis Space Center. The highway roughly parallels U.S. Route 90
U.S. Route 90
U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S...

.

The law defining the route of Interstate 10 is Mississippi Code § 65-3-3.

Alabama

I-10 crosses from Jackson County, Mississippi
Jackson County, Mississippi
There were 47,676 households out of which 37.00% had children under the age of 18 living with them, 55.70% were married couples living together, 14.50% had a female householder with no husband present, and 25.10% were non-families. 20.80% of all households were made up of individuals and 7.10% had...

 and goes through Mobile County
Mobile County, Alabama
Mobile County[p] is a county of the U.S. state of Alabama. Its name is in honor of a tribe of Indians, the Maubila tribe . As of 2011, its population was 415,704. Its county seat is Mobile, Alabama...

 in Southwest Alabama. In Mobile
Mobile, Alabama
Mobile is the third most populous city in the Southern US state of Alabama and is the county seat of Mobile County. It is located on the Mobile River and the central Gulf Coast of the United States. The population within the city limits was 195,111 during the 2010 census. It is the largest...

, the highway is the southern terminus for Interstate 65
Interstate 65
Interstate 65 is a major Interstate Highway in the United States. The southern terminus is located at an intersection with Interstate 10 in Mobile, Alabama, and its northern terminus is at an interchange with Interstate 90 , U.S. Route 12, and U.S...

. In downtown Mobile, I-10 goes through one of the few road tunnels in Alabama, the George C. Wallace Tunnel
George Wallace Tunnel
The George Wallace Tunnel is a tunnel along Interstate 10 in Mobile, Alabama that crosses beneath the Mobile River.It, like the smaller Bankhead Tunnel a few blocks upriver from it, was constructed in Mobile at the shipyards of the Alabama Drydock and Shipbuilding Company from 1969-1973...

 under the Mobile River
Mobile River
The Mobile River is located in southern Alabama in the United States. Formed out of the confluence of the Tombigbee and Alabama rivers, the approximately river drains an area of of Alabama, with a watershed extending into Mississippi, Georgia, and Tennessee. Its drainage basin is the...

. The eastbound approach is posted at 40 miles per hour (17.9 m/s) because of the sharp curve approaching the tunnel. The highway then crosses approximately 8 miles (12.9 km) of the upper part of Mobile Bay
Mobile Bay
Mobile Bay is an inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The Mobile River and Tensaw River empty into the northern end of the...

 on the Jubilee Parkway
Jubilee Parkway
The Jubilee Parkway is a pair of parallel concrete viaduct bridges that carry Interstate 10 across Mobile Bay from the George Wallace Tunnel in Mobile, Alabama eastbound to Spanish Fort/Daphne, Alabama. The bridges are similar in design to the I-10 Twin Span Bridge near New Orleans, Louisiana. Each...

, a bridge locals refer to as the Bayway. It is next to Battleship Parkway
Battleship Parkway
Battleship Parkway, commonly referred to locally and in the media as the "Causeway", is an elevated long causeway that carries US 90 and US 98 eastbound across Mobile Bay from the Bankhead Tunnel in Mobile, Alabama to Spanish Fort, Alabama. The roadway itself is a four-lane divided highway for...

. On the other side of Mobile Bay, the highway goes through the suburban "Eastern Shore" area of Baldwin County before passing through Malbis, Loxley
Loxley, Alabama
Loxley is a town in Baldwin County, Alabama, United States. As of the 2000 census, the population of the town is 1,348. It is part of the Daphne-Fairhope-Foley micropolitan area...

 and on to the Perdido River
Perdido River
The Perdido River is a river in the U.S. states of Alabama and Florida. The river forms part of the boundary between the two states along nearly its entire length and drains into the Gulf of Mexico...

 to cross into Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

.

Florida

Most of Interstate 10 in Florida travels through some of the least-populated areas in the state. Consequently, much of I-10 west of Interstate 295
Interstate 295 (Florida)
Interstate 295 , an auxiliary route of Interstate 95, is a bypass route around central Jacksonville, Florida, which is currently signed on the western half for...

 in Jacksonville
Jacksonville, Florida
Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...

 has only 4 lanes. In Pensacola
Pensacola, Florida
Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...

, an approximately 3 miles (4.8 km) stretch of I-10 was widened to 6 lanes in 2008. That project is now completed. In Tallahassee, construction was completed in June 2009 on a project to widen an approximately 8 miles (12.9 km) stretch of I-10 to six lanes.

In Jacksonville
Jacksonville, Florida
Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...

, as in Arizona, I-10 is designated as Pearl Harbor Memorial Highway. Throughout much of Florida, Interstate 10 is also State Road 8, though it is not signed as such. (Where I-110 in Pensacola, Florida
Pensacola, Florida
Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...

, is known as State Road 8A.)

Florida and Alabama are currently planning a possible connector that would link Dothan, Alabama
Dothan, Alabama
Dothan is a city located in the southeastern corner of the US state of Alabama, situated approximately west of the Georgia state line and north of Florida. It is the seat of Houston County, with portions extending into nearby Dale County and Henry County...

, with I-10. Initial plans are calling for making this new highway a toll road, and it could be a reality within five years. As of May 2008, it is unknown which number this new road will be assigned.

Major intersections

  • Interstate 405
    Interstate 405 (California)
    Interstate 405 is a major north–south Interstate Highway in Southern California. It is a bypass of Interstate 5, running along the western areas of the Greater Los Angeles Area from Irvine in the south to near San Fernando in the north...

     in West Los Angeles, California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 110
    Interstate 110 (California)
    Route 110, consisting of two segments of State Route 110 joined by Interstate 110 , is a state highway in the Los Angeles area of the U.S. state of California, mostly built to freeway standards...

     southwest of Downtown
    Downtown Los Angeles
    Downtown Los Angeles is the central business district of Los Angeles, California, United States, located close to the geographic center of the metropolitan area...

     Los Angeles
    Los Ángeles
    Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 5
    Interstate 5
    Interstate 5 is the main Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific Ocean coastline from Canada to Mexico . It serves some of the largest cities on the U.S...

     at the East Los Angeles Interchange
    East Los Angeles Interchange
    The East Los Angeles Interchange complex is the busiest freeway interchange in the world, with its southern portion handling over 550,000 vehicles per day . The northern portion, called the San Bernardino Split, is often considered a separate interchange. The interchange was named the Eugene A....

     in Los Angeles
    Los Angeles, California
    Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 710
    Interstate 710
    Interstate 710 is a major north–south interstate freeway running for 23 miles through Los Angeles County, California...

     in East Los Angeles
    East Los Angeles, California
    East Los Angeles is an unincorporated area and census-designated place in Los Angeles County, California, United States...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 605
    Interstate 605
    Interstate 605 is a major north–south Interstate Highway in the Greater Los Angeles Area of Southern California...

     in El Monte
    El Monte, California
    El Monte is a residential, industrial, and commercial city in Los Angeles County, California, United States. The city's slogan is "Welcome to Friendly El Monte," and historically is known as "The End of the Santa Fe Trail." As of the 2010 census, the city had a total population of 113,475,...

    /Baldwin Park
    Baldwin Park, California
    Baldwin Park is a city located in the central San Gabriel Valley region of Los Angeles County, California, United States. As of the 2010 census, the population was 75,390, down from 75,837 at the 2000 census.- History :...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 15
    Interstate 15 in California
    In the U.S. state of California, Interstate 15 is a major north–south route through the San Bernardino, Riverside, and San Diego Counties, and it has a length of in the state. It is a major thoroughfare for traffic between Southern California and Las Vegas, Nevada, as well as points beyond...

     in Ontario
    Ontario, California
    Ontario is a city located in San Bernardino County, California, United States, 35 miles east of downtown Los Angeles. Located in the western part of the Inland Empire region, it lies just east of the Los Angeles county line and is part of the Greater Los Angeles Area...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 215
    Interstate 215 (California)
    Interstate 215 is a long north–south Interstate highway in the Inland Empire region of Southern California. It is an auxiliary route of Interstate 15 , running from Murrieta to northern San Bernardino...

     south of Downtown
    Downtown San Bernardino
    Downtown San Bernardino is a district in San Bernardino, California, United States. It is home to city and county government buildings, as well as the city's central business district...

     in San Bernardino
    San Bernardino, California
    San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...


  • Interstate 210
    Interstate 210 (California)
    Interstate 210 and State Route 210 together form a contiguous highway, called the Foothill Freeway, in the Greater Los Angeles area of the U.S. state of California. The western portion of the route is an auxiliary Interstate Highway, while the eastern portion is a state highway...

     in Redlands, CA

  • Interstate 17
    Interstate 17
    Interstate 17 , also known as the Black Canyon Freeway, is an intrastate Interstate Highway located entirely within the state of Arizona, United States. I-17's southern terminus lies within Phoenix, at Interstate 10, and its northern terminus is in Flagstaff, at Interstate 40...

     in Phoenix
    Phoenix, Arizona
    Phoenix is the capital, and largest city, of the U.S. state of Arizona, as well as the sixth most populated city in the United States. Phoenix is home to 1,445,632 people according to the official 2010 U.S. Census Bureau data...

    , Arizona
    Arizona
    Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

     (twice)

  • Interstate 8
    Interstate 8
    Interstate 8 is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Blvd, in San Diego, California, almost at the Pacific Ocean, to the junction with Interstate 10, just southeast of Casa Grande, Arizona...

     in Casa Grande
    Casa Grande, Arizona
    Casa Grande is a city in Pinal County, approximately halfway between Phoenix and Tucson in the U.S. state of Arizona. According to 2010 Census, the population of the city is 48,571...

    , Arizona
    Arizona
    Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...


  • Interstate 19
    Interstate 19
    Interstate 19 is an intrastate Interstate Highway located entirely within the state of Arizona. I-19 runs from Nogales, roughly 1,500 feet from the Mexican border, to Tucson, at Interstate 10...

     in Tucson
    Tucson, Arizona
    Tucson is a city in and the county seat of Pima County, Arizona, United States. The city is located 118 miles southeast of Phoenix and 60 miles north of the U.S.-Mexico border. The 2010 United States Census puts the city's population at 520,116 with a metropolitan area population at 1,020,200...

    , Arizona
    Arizona
    Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...


  • Interstate 25
    Interstate 25
    Interstate 25 is an Interstate Highway in the western United States. It is primarily a north–south highway. I-25 stretches from Interstate 10 at Las Cruces, New Mexico, , to Interstate 90 in Buffalo, Wyoming, .Interstate 25 is the main north–south expressway through...

     in Las Cruces
    Las Cruces, New Mexico
    Las Cruces, also known as "The City of the Crosses", is the county seat of Doña Ana County, New Mexico, United States. The population was 97,618 in 2010 according to the 2010 Census, making it the second largest city in the state....

    , New Mexico
    New Mexico
    New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...


  • Interstate 110
    Interstate 110
    Interstate 110 may refer to:*Interstate 110 , a north-south freeway running through Los Angeles, California*Interstate 110 , a spur route in Pensacola, Florida*Interstate 110 , a spur route in Baton Rouge, Louisiana...

     in El Paso
    El Paso
    El Paso, a city in the U.S. state of Texas, on the border with Mexico.El Paso may also refer to:-Geography:Colombia:* El Paso, CesarSpain:*El Paso, Santa Cruz de TenerifeUnited States:...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...


  • Interstate 20
    Interstate 20
    Interstate 20 is a major east–west Interstate Highway in the Southern United States. I‑20 runs 1,535 miles from near Kent, Texas, at Interstate 10 to Florence, South Carolina, at Interstate 95...

     near Kent
    Kent, Texas
    Kent is an unincorporated village in Culberson County, in West Texas, United States. It lies just north of Interstate 10 at Exit 176, ten miles west of the beginning of Interstate 20 and four miles west of the eastern Culberson County boundary. It is sandwiched between the railroad, immediately...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...


  • Interstate 410
    Interstate 410
    Interstate 410 is a loop route of Interstate 10 around San Antonio, Texas. It is identified as Connally Loop in honor of former Texas governor John Connally...

     in San Antonio, Texas (twice)

  • Interstate 35
    Interstate 35
    Interstate 35 is a north–south Interstate Highway in the central United States. I-35 stretches from Laredo, Texas, on the U.S.-Mexico border to Duluth, Minnesota, at Minnesota Highway 61 and 26th Avenue East. Many interstates used to have splits or spurs indicated with suffixed letters , but I-35...

     and Interstate 37
    Interstate 37
    Interstate 37 is a intrastate Interstate Highway located within the U.S. state of Texas. The highway was first designated in 1959 as a route between Corpus Christi and San Antonio. Construction in the urban areas of Corpus Christi and San Antonio began in the 1960s and the segments of the...

     in San Antonio
    San Antonio, Texas
    San Antonio is the seventh-largest city in the United States of America and the second-largest city within the state of Texas, with a population of 1.33 million. Located in the American Southwest and the south–central part of Texas, the city serves as the seat of Bexar County. In 2011,...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...


  • Interstate 45
    Interstate 45
    Interstate 45 is an intrastate Interstate Highway located entirely within the U.S. state of Texas. It connects the cities of Dallas and Houston, continuing southeast from Houston to Galveston over the Galveston Causeway to the Gulf of Mexico...

     in Houston
    Houston, Texas
    Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of . Houston is the seat of Harris County and the economic center of , which is the ...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...


  • Interstate 610
    Interstate 610 (Texas)
    Interstate 610 is a freeway that forms a forty-two-mile loop around the downtown sector of city of Houston, Texas. Interstate 610, colloquially known as "The Loop", "Loop 610", "The 610 Loop", or just "610", traditionally marks the border between the inner city of Houston and its surrounding areas...

     in Houston
    Houston, Texas
    Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of . Houston is the seat of Harris County and the economic center of , which is the ...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

     (twice)

  • Interstate 210
    Interstate 210 (Louisiana)
    Interstate 210 in Louisiana is a bypass route in Lake Charles, in the southwestern part of the state. As a bypass of I-10, both of the ends of I-210 meet with I-10.-Route description:...

     in Lake Charles
    Lake Charles, Louisiana
    Lake Charles is the fifth-largest incorporated city in the U.S. state of Louisiana, located on Lake Charles, Prien Lake, and the Calcasieu River. Located in Calcasieu Parish, a major cultural, industrial, and educational center in the southwest region of the state, and one of the most important in...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     (twice)

  • Interstate 49
    Interstate 49
    Interstate 49 is currently an intrastate Interstate Highway located entirely within the state of Louisiana in the southern United States. Its southern terminus is in Lafayette, Louisiana, at Interstate 10 while its northern terminus is in Shreveport, Louisiana, at Interstate 20.-Route...

     in Lafayette
    Lafayette, Louisiana
    Lafayette is a city in and the parish seat of Lafayette Parish, Louisiana, United States, on the Vermilion River. The population was 120,623 at the 2010 census...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 110
    Interstate 110 (Louisiana)
    Interstate 110 is an spur route in Baton Rouge, running from Interstate 10 in the city's downtown area north to U.S. Highway 61 and the Baton Rouge Metropolitan Airport in the northern part of the city...

     and Interstate 12
    Interstate 12
    Interstate 12 is an intrastate Interstate Highway located entirely within the state of Louisiana. I-12 starts in Baton Rouge at Interstate 10, and travels along the North Shore of Lake Pontchartrain before ending at the intersection of Interstate 10 and Interstate 59 near Slidell...

     in Baton Rouge
    Baton Rouge, Louisiana
    Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 55
    Interstate 55
    Interstate 55 is an Interstate Highway in the central United States. Its odd number indicates that it is a north–south Interstate Highway. I-55 goes from LaPlace, Louisiana at Interstate 10 to Chicago at U.S. Route 41 , at McCormick Place. A common nickname for the highway is "double...

     in Laplace
    Laplace, Louisiana
    LaPlace is a census-designated place in St. John the Baptist Parish, Louisiana, United States, along the east bank of the Mississippi River in the New Orleans metropolitan area. The population is 32,134 at the 2010 census....

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 310
    Interstate 310
    Interstate 310 is a short spur route of Interstate 10 near New Orleans, Louisiana, United States. It runs south from Interstate 10 near the New Orleans International Airport, intersects with U.S. Highway 61 and ends at the junction with U.S...

     near Kenner
    Kenner, Louisiana
    Kenner is a city in Jefferson Parish, Louisiana, United States, and a suburb of New Orleans. The population was 66,702 at the 2010 census....

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 610
    Interstate 610 (Louisiana)
    Interstate 610 is a long auxiliary route of Interstate 10 that lies entirely within the boundaries of New Orleans, Louisiana.-Route description:...

     (twice) and Interstate 510 in New Orleans
    New Orleans, Louisiana
    New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 12
    Interstate 12
    Interstate 12 is an intrastate Interstate Highway located entirely within the state of Louisiana. I-12 starts in Baton Rouge at Interstate 10, and travels along the North Shore of Lake Pontchartrain before ending at the intersection of Interstate 10 and Interstate 59 near Slidell...

     and Interstate 59
    Interstate 59
    Interstate 59 is an Interstate Highway in the southern United States. Its southern terminus is near Slidell, Louisiana, a suburb of New Orleans, at an intersection with Interstate 10 and Interstate 12, its northern terminus is at Wildwood, Georgia, at an intersection with Interstate 24.The road's...

     in Slidell
    Slidell, Louisiana
    Slidell is a city situated on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 25,695 at the 2000 census. The Greater Slidell Community has a population of about 90,000...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...


  • Interstate 110
    Interstate 110 (Mississippi)
    Interstate 110 is a freeway spur route in Biloxi, running south from Interstate 10 to U.S. Route 90. It is one of very few places on the Interstate Highway System utilizing a drawbridge. The southbound control city is Biloxi, with a series of bridges out over the Gulf of Mexico at the southern...

     in Biloxi
    Biloxi, Mississippi
    Biloxi is a city in Harrison County, Mississippi, in the United States. The 2010 census recorded the population as 44,054. Along with Gulfport, Biloxi is a county seat of Harrison County....

    , Mississippi
    Mississippi
    Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...


  • Interstate 65
    Interstate 65
    Interstate 65 is a major Interstate Highway in the United States. The southern terminus is located at an intersection with Interstate 10 in Mobile, Alabama, and its northern terminus is at an interchange with Interstate 90 , U.S. Route 12, and U.S...

     in Mobile
    Mobile, Alabama
    Mobile is the third most populous city in the Southern US state of Alabama and is the county seat of Mobile County. It is located on the Mobile River and the central Gulf Coast of the United States. The population within the city limits was 195,111 during the 2010 census. It is the largest...

    , Alabama
    Alabama
    Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...


  • Interstate 110
    Interstate 110 (Florida)
    Interstate 110 is a auxiliary route of the Interstate Highway System in Pensacola, Florida, running north from U.S. Highway 98 to Interstate 10. I-110 carries the hidden Florida Department of Transportation designation of State Road 8A...

     in Pensacola
    Pensacola, Florida
    Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...

    , Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...


  • Interstate 75
    Interstate 75
    Interstate 75 is a major north–south Interstate Highway in the Great Lakes and Southeastern regions of the United States. It travels from State Road 826 and State Road 924 in Hialeah, Florida to Sault Ste. Marie, Michigan, at the Ontario, Canada, border...

     in Lake City
    Lake City, Florida
    Lake City is the county seat of Columbia County, Florida, in the United States. In 2009, the U.S. Census Bureau estimated the city's population at 12,614. In addition, it is the Principal City of the Lake City Micropolitan Statistical Area, which is composed of Columbia County, and had an...

    , Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...


  • Interstate 295
    Interstate 295 (Florida)
    Interstate 295 , an auxiliary route of Interstate 95, is a bypass route around central Jacksonville, Florida, which is currently signed on the western half for...

     and Interstate 95
    Interstate 95 in Florida
    Interstate 95 is the main Interstate Highway on the east coast of the United States; it serves the Atlantic coast of Florida. It begins at a partial interchange with U.S. Highway 1 just south of downtown Miami, and heads north past Daytona Beach and Jacksonville to the Georgia state line at the St...

     in Jacksonville
    Jacksonville, Florida
    Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...

    , Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...


Auxiliary routes

  • Los Angeles
    Los Angeles, California
    Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

     - I-110
    Interstate 110 (California)
    Route 110, consisting of two segments of State Route 110 joined by Interstate 110 , is a state highway in the Los Angeles area of the U.S. state of California, mostly built to freeway standards...

    , I-210
    Interstate 210 (California)
    Interstate 210 and State Route 210 together form a contiguous highway, called the Foothill Freeway, in the Greater Los Angeles area of the U.S. state of California. The western portion of the route is an auxiliary Interstate Highway, while the eastern portion is a state highway...

    , I-710
    Interstate 710
    Interstate 710 is a major north–south interstate freeway running for 23 miles through Los Angeles County, California...

  • San Bernardino
    San Bernardino, California
    San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...

    , California
    California
    California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

     - I-210
    Interstate 210 (California)
    Interstate 210 and State Route 210 together form a contiguous highway, called the Foothill Freeway, in the Greater Los Angeles area of the U.S. state of California. The western portion of the route is an auxiliary Interstate Highway, while the eastern portion is a state highway...

  • El Paso
    El Paso, Texas
    El Paso, is a city in and the county seat of El Paso County, Texas, United States, and lies in far West Texas. In the 2010 census, the city had a population of 649,121. It is the sixth largest city in Texas and the 19th largest city in the United States...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

     - I-110
    Interstate 110 (Texas)
    Interstate 110 is a spur route in El Paso extending from Interstate 10, south along U.S. Highway 54, turns west then turns south into Mexico. Interstate 110 provides access from Interstate 10 to the Bridge of the Americas , which spans the Rio Grande to connect with Avenida Abraham Lincoln in...

  • San Antonio
    San Antonio, Texas
    San Antonio is the seventh-largest city in the United States of America and the second-largest city within the state of Texas, with a population of 1.33 million. Located in the American Southwest and the south–central part of Texas, the city serves as the seat of Bexar County. In 2011,...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

     - I-410
  • Houston
    Houston, Texas
    Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of . Houston is the seat of Harris County and the economic center of , which is the ...

    , Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

     - I-610
    Interstate 610 (Texas)
    Interstate 610 is a freeway that forms a forty-two-mile loop around the downtown sector of city of Houston, Texas. Interstate 610, colloquially known as "The Loop", "Loop 610", "The 610 Loop", or just "610", traditionally marks the border between the inner city of Houston and its surrounding areas...

  • Lake Charles
    Lake Charles, Louisiana
    Lake Charles is the fifth-largest incorporated city in the U.S. state of Louisiana, located on Lake Charles, Prien Lake, and the Calcasieu River. Located in Calcasieu Parish, a major cultural, industrial, and educational center in the southwest region of the state, and one of the most important in...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     - I-210
    Interstate 210 (Louisiana)
    Interstate 210 in Louisiana is a bypass route in Lake Charles, in the southwestern part of the state. As a bypass of I-10, both of the ends of I-210 meet with I-10.-Route description:...

  • Baton Rouge
    Baton Rouge, Louisiana
    Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     - I-110
    Interstate 110 (Louisiana)
    Interstate 110 is an spur route in Baton Rouge, running from Interstate 10 in the city's downtown area north to U.S. Highway 61 and the Baton Rouge Metropolitan Airport in the northern part of the city...

  • New Orleans
    New Orleans, Louisiana
    New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population...

    , Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     - I-310, I-510, I-610
    Interstate 610 (Louisiana)
    Interstate 610 is a long auxiliary route of Interstate 10 that lies entirely within the boundaries of New Orleans, Louisiana.-Route description:...

    , I-910
  • Biloxi
    Biloxi, Mississippi
    Biloxi is a city in Harrison County, Mississippi, in the United States. The 2010 census recorded the population as 44,054. Along with Gulfport, Biloxi is a county seat of Harrison County....

    , Mississippi
    Mississippi
    Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

     - I-110
    Interstate 110 (Mississippi)
    Interstate 110 is a freeway spur route in Biloxi, running south from Interstate 10 to U.S. Route 90. It is one of very few places on the Interstate Highway System utilizing a drawbridge. The southbound control city is Biloxi, with a series of bridges out over the Gulf of Mexico at the southern...

  • Pensacola
    Pensacola, Florida
    Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...

    , Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

     - I-110
    Interstate 110 (Florida)
    Interstate 110 is a auxiliary route of the Interstate Highway System in Pensacola, Florida, running north from U.S. Highway 98 to Interstate 10. I-110 carries the hidden Florida Department of Transportation designation of State Road 8A...


External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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