Louisiana Highway 1
Overview
 
Louisiana Highway 1 is a state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 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...

. At 436.20 miles (702.00 km), it is the longest numbered highway of any class in Louisiana. It runs diagonally across the state, connecting the oil
Oil field
An oil field is a region with an abundance of oil wells extracting petroleum from below ground. Because the oil reservoirs typically extend over a large area, possibly several hundred kilometres across, full exploitation entails multiple wells scattered across the area...

 and gas fields near the island of Grand Isle
Grand Isle, Louisiana
Grand Isle is a town in Jefferson Parish, Louisiana, located on a barrier island of the same name in the Gulf of Mexico. The island is at the mouth of Barataria Bay where it meets the gulf. As of the 2000 census, the town population was 1,541; during summers, the population sometimes increases to...

 with the northwest corner of the state, north of Shreveport
Shreveport, Louisiana
Shreveport is the third largest city in Louisiana. It is the principal city of the fourth largest metropolitan area in the state of Louisiana and is the 109th-largest city in the United States....

.

The part south of U.S. Highway 90 near Raceland
Raceland, Louisiana
Raceland is a census-designated place on Bayou Lafourche in Lafourche Parish, Louisiana, United States. The population was 10,224 at the 2000 census...

 is Corridor 44, a National Highway System
National Highway System (United States)
The National Highway System is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities.Individual states...

 High Priority Corridor. From Alexandria
Alexandria, Louisiana
Alexandria is a city in and the parish seat of Rapides Parish, Louisiana, United States. It lies on the south bank of the Red River in almost the exact geographic center of the state. It is the principal city of the Alexandria metropolitan area which encompasses all of Rapides and Grant parishes....

 to Shreveport
Shreveport, Louisiana
Shreveport is the third largest city in Louisiana. It is the principal city of the fourth largest metropolitan area in the state of Louisiana and is the 109th-largest city in the United States....

, the LA 1 corridor was used for Interstate 49.

Between New Roads, Louisiana
New Roads, Louisiana
New Roads is a city in and the parish seat of Pointe Coupee Parish, Louisiana, United States. The center of population of Louisiana is located in New Roads . The population was 4,996 at the 2000 census. The city's ZIP code is 70760...

, and the interchange with Interstate 49 at Alexandria, Louisiana
Alexandria, Louisiana
Alexandria is a city in and the parish seat of Rapides Parish, Louisiana, United States. It lies on the south bank of the Red River in almost the exact geographic center of the state. It is the principal city of the Alexandria metropolitan area which encompasses all of Rapides and Grant parishes....

, LA 10 forms part of the Zachary Taylor Parkway.
The southern terminus of LA 1 (29.2603°N 89.9637°W) is at a dead end
Cul-de-sac
A cul-de-sac is a word of French origin referring to a dead end, close, no through road or court meaning dead-end street with only one inlet/outlet...

 in Grand Isle
Grand Isle, Louisiana
Grand Isle is a town in Jefferson Parish, Louisiana, located on a barrier island of the same name in the Gulf of Mexico. The island is at the mouth of Barataria Bay where it meets the gulf. As of the 2000 census, the town population was 1,541; during summers, the population sometimes increases to...

 on the south bank of Bayou Rigaud.
 
x
OK