Global InformationState Line Road information
 State Line Road runs 12.5 miles (20.1 km) from Chester Avenue in the north, crossing U.S. Highway 56 and continuing south to the intersection of 135th Street in Kansas. | |
| Namesake | Boundary between the states of Kansas and Missouri |
|---|---|
| Length | 12.5 mi (20.1 km) |
| Coordinates | 39°2′34.2″N 94°36′26.7″W / 39.042833°N 94.607417°W |
| North | Chester Avenue |
| South | 135th Street / Missouri Route 150 |
| Other | |
| Known for | State dividing line |
State Line Road is a major north–south street in the Kansas City metropolitan area that runs along the Kansas–Missouri state line. For much of its length, northbound traffic is in Missouri and southbound traffic is in Kansas.
The major portion of the road is 12.5 miles (20.1 km) south from Chester Avenue to 135th Street / Missouri Route 150. It continues as Eaton Street into Kansas City, Kansas at its northern terminus and as Kenneth Road into Leawood at its southern terminus. Its northernmost point is roughly 0.75 miles (1.21 km) south of Interstate 35.
Three noncontinuous minor stubs, all within the West Bottoms district of Kansas City, Missouri, are also designated as State Line Road. From north to south, they are:
- 0.3 miles (0.48 km) from Central Avenue to Pacific Avenue.
- 0.2 miles (0.32 km) from Butler Way to American Royal Drive.
- 0.4 miles (0.64 km) from American Royal Drive to 25th Street.
It is the dividing line between Kansas and Missouri for most of the Kansas City metropolitan area south of the Kaw Point confluence of the Kansas and Missouri rivers. Most of the road divides the Jackson County portion of Kansas City, Missouri, to the east from the Johnson County, suburbs to the west. State Line Road also services, from north to south, Westwood, Kansas; Westwood Hills, Kansas; Mission Woods, Kansas; Mission Hills, Kansas; Prairie Village, Kansas; and Leawood, Kansas.[1][2] Leawood in 2001 promoted State Line Road as "The State Line Link" between the two states and many communities touched by the road.[3]
Intermittent sections of rural road extend south of the Kansas City metropolitan area to Drexel (separating Miami County, Kansas, from Cass County, Missouri) though they are not considered part of State Line Road in local lexicon. This includes a 12.2-mile (19.6 km) section from 175th Street to 271st Street, roughly connecting Stilwell, Kansas to Cleveland, Missouri.
- ^ Kansas Historical Society (2000). Kansas Civil Townships and Independent Cities: Township Map of Johnson County, ca. 2000 (Map). Kansas Historical Society. Retrieved August 6, 2023.
- ^ Bureau of Transportation Planning (2010). General Highway Map: Johnson County, Kansas (PDF) (Map). Kansas Department of Transportation. Retrieved August 6, 2023.
- ^ Mayor’s Report (PDF). May 21, 2001. p. 3. Archived from the original on July 25, 2006. Retrieved July 14, 2023.
Unveiling of the State Line Link banners along State Line Road.
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