State Line Road is a major north–south street in the

Kansas City Metropolitan Area The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more ...

that runs along the

Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to ...

–

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

state line. It runs 12.5 miles (20 km) from Chester Avenue in the north, crossing Shawnee Mission Parkway a couple of miles from the northern end and continuing south to the intersection of 135th St. in Kansas, Missouri Route 150 in the South. It continues north as Eaton St. and continues south as Kenneth Rd., both in Kansas. Its northernmost point is roughly 3/4 mile (1.25 km) south of

Interstate 35 Interstate 35 (I-35) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route. It stretches from Laredo, Texas, near the Mexican border ...

. It is the dividing line between Kansas and Missouri for most of the Kansas City metro area south of the confluence of the

and Missouri rivers. Most of the road runs between

Johnson County, Kansas Johnson County is a county in the U.S. state of Kansas, on the border with Missouri. As of the 2020 census, the population was 609,863, making it the most populous county in Kansas. Its county seat is Olathe. Largely suburban, the county conta ...

and Kansas City Missouri. Cities along the road include Kansas City, Missouri,

Kansas City, Kansas Kansas City, abbreviated as "KCK", is the third-largest city in the U.S. state of Kansas, and the county seat of Wyandotte County. It is an inner suburb of the older and more populous Kansas City, Missouri, after which it is named. As of ...

, and several other cities in Johnson County such as Leawood, Mission Hills,

Prairie Village Prairie Village is a city in Johnson County, Kansas, United States. It is part of the Kansas City Metropolitan Area. As of the 2020 census, the population of the city was 22,957. History After the successful development of the Country ...

, and Westwood Hills. For northern portions of the road, the Missouri–Kansas state line bisects the roadway. Consequently, for these portions of the road, northbound traffic is in Missouri while southbound traffic is in Kansas. For southern portions of the road, the entire road is in Kansas. State Line Road is home to *the home and freighting office of Alexander Majors, a building on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artist ...

and located at 8145 State Line Road. *several schools on the Missouri side, such as

The Barstow School The Barstow School, formerly called Miss Barstow’s School, is a secular, coeducational, independent preparatory school in Kansas City, Missouri, USA. It was co-founded in 1884 by Mary Louise Barstow and Ada Brann. The Barstow School enrolls 75 ...

, Pembroke Hill and Rockhurst High School * Ward Parkway Center at 8600 Ward Parkway In 2001 Leawood promoted State Line Road as "The State Line Link."

References

Transportation in the Kansas City metropolitan area Streets in Kansas City, Missouri {{Missouri-road-stub