K-12 (Kansas highway)
Encyclopedia
K-12 was 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 the U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Kansas
Kansas
Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

, created in the mid-1980s. Its alignment was changed during its existence.

History

K-12 was commissioned when the first section of the current K-10
K-10 (Kansas highway)
K-10 is a 38 mile state highway in the U.S. state of Kansas. It was originally designated in 1929. It is mostly a controlled-access freeway, linking Lawrence to Lenexa. It provides an important toll-free alternate route to Interstate 70...

 freeway was completed from K-7
K-7 (Kansas highway)
K-7 is a state highway in the U.S. state of Kansas. It is mostly a small country highway winding its way through the Osage Questas and Glaciated Regions of eastern Kansas, although a portion of the highway passes through the Kansas City metropolitan area. Significant portions of the highway overlap...

 in Olathe, Kansas
Olathe, Kansas
Olathe is a city in and the county seat of Johnson County, Kansas, United States. Located in northeastern Kansas, it is also the fifth most populous city in the state, with a population of 125,872 at the 2010 census. As a suburb of Kansas City, Missouri, Olathe is the fourth-largest city in the...

 to I-435 in Lenexa, Kansas
Lenexa, Kansas
Lenexa is a city in the central part of Johnson County, located in northeast Kansas, in the central United States of America. As of the 2010 census, the city population was 48,190. As a satellite city of Kansas City, Kansas, Lenexa is included in the Kansas City Metropolitan Area...

. K-10, at the time, overlapped K-7 from Olathe
Olathe, Kansas
Olathe is a city in and the county seat of Johnson County, Kansas, United States. Located in northeastern Kansas, it is also the fifth most populous city in the state, with a population of 125,872 at the 2010 census. As a suburb of Kansas City, Missouri, Olathe is the fourth-largest city in the...

 north to Shawnee Mission Parkway
Shawnee Mission Parkway
Shawnee Mission Parkway is a stretch of roadway in Johnson County, Kansas and Jackson County, Missouri . Its western terminus at K-7 in Shawnee, Kansas and its eastern terminus at Ward Parkway in Kansas City, Missouri...

.

When the K-10 freeway segment from Lawrence
Lawrence, Kansas
Lawrence is the sixth largest city in the U.S. State of Kansas and the county seat of Douglas County. Located in northeastern Kansas, Lawrence is the anchor city of the Lawrence, Kansas, Metropolitan Statistical Area, which encompasses all of Douglas County...

 to Olathe was completed, K-10 was signed for the entire length (both sections) of the expressway, and K-12 was displaced.

When K-10 was designated on the expressway between Lawrence and Lenexa, K-12 was realigned north to take the place of the former K-10 alignment. It followed Shawnee Mission Parkway
Shawnee Mission Parkway
Shawnee Mission Parkway is a stretch of roadway in Johnson County, Kansas and Jackson County, Missouri . Its western terminus at K-7 in Shawnee, Kansas and its eastern terminus at Ward Parkway in Kansas City, Missouri...

 from K-7 in Shawnee, Kansas
Shawnee, Kansas
Shawnee is a city located in northwest Johnson County, Kansas, United States and is a western suburb of Kansas City, Missouri. As of the 2010 census, the city population was 62,209. Shawnee's fur trading and pioneering heritage blends histories of these Kansas Territory townships: Monticello and...

. It turned north on Merriam Drive in Merriam, Kansas
Merriam, Kansas
Merriam is a city in the northeastern part of Johnson County, located in northeast Kansas, in the Central United States. As of the 2010 census, the city population was 11,003. As a suburb of Kansas City, Missouri, it is included in the Kansas City Metropolitan Area...

, which follows into Kansas City, Kansas
Kansas City, Kansas
Kansas City is the third-largest city in the state of Kansas and is the county seat of Wyandotte County. It is a suburb of Kansas City, Missouri, and is the third largest city in the Kansas City Metropolitan Area. The city is part of a consolidated city-county government known as the "Unified...

. Merriam Lane turns into Southwest Blvd. near US-169, and K-12 ended not far east at the Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

 state line.

Since K-12 existed entirely within the city limits of the cities it traverses, it was turned back to the cities in 1987 according to KDOT
Kansas Department of Transportation
The Kansas Department of Transportation is a state government organization in charge of maintaining public roadways of the U.S. state of Kansas.-Organization:*Secretary of Transportation...

policy.
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