K-12 (Kansas highway)

K-12 was a state highway in the U.S. state of Kansas, created in the mid-1980s. Its alignment was changed during its existence.

K-12 marker

K-12

Former K-12 in red, former K-12 Spur in blue
Route information
Maintained by KDOT
Existed1985–1987
Major junctions
West end K-7 near Bonner Springs
Major intersections I-435 near Lenexa
I-635 in Mission
US-69 in Roeland Park
US-169 in Kansas City
East endMissouri state line in Kansas City
Location
CountryUnited States
StateKansas
Highway system
  • Kansas State Highway System
← K-10→ K-13

History

K-12 was commissioned when the first section of the K-10 freeway was completed from K-7 in Olathe, Kansas to I-435 in Lenexa, Kansas. K-10, at the time, overlapped K-7 from K-12's western terminus in Olathe north to Shawnee Mission Parkway.[1]

When the K-10 freeway segment from Lawrence to Olathe was completed, K-10 was signed for the entire length (both sections) of the expressway. At this time, K-12 was realigned north to replace the former K-10 alignment along the Shawnee Mission Parkway. It followed the parkway from K-7 in Shawnee, then turned north on Merriam Drive in Merriam, which follows into Kansas City, Kansas. Merriam Lane turns into Southwest Boulevard near US-169, and K-12 ended not far east at the Missouri state line.[2]

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 policy.[3]

Junction list

Major junctions as listed shortly before K-12 was decommissioned in 1987.[4]

CountyLocationmikmDestinationsNotes
JohnsonShawnee0.0000.000 K-7Interchange; western terminus
I-435I-435 exits 6A-B
Lackman RoadInterchange
Overland Park I-635I-635 exit 1B
WyandotteKansas City US-69


 K-12 Spur to I-35		Western terminus of K-12 Spur; to I-35 exit 233A
US-169
Southwest Boulevard northeastContinuation into Missouri
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Spur route

Spur plate.svg

K-12 Spur marker

K-12 Spur

Length.376 mi (605 m)
Existed1984–1987

K-12 Spur was a .376-mile-long (0.605 km) spur route that ran from K-12 east to Interstate 35 (I-35). Originally K-10 Spur, it was changed to K-12 Spur when the Shawnee Mission Parkway and Merriam Lane were changed from K-10 to K-12. K-12 Spur was withdrawn in 1987 along with K-12 itself.[5]

References
  1. State Highway Commission of Kansas (October 27, 1965). "Resolution for Location and Designation of Road in Johnson County". Topeka: State Highway Commission of Kansas. Retrieved June 4, 2020.
  2. State Highway Commission of Kansas (December 16, 1983). "Resolution for redesignation of a portion of two highways, city connecting links and withdrawal of the designation of a portion of highway in Johnson and Wyandotte Counties". Topeka: State Highway Commission of Kansas. Retrieved June 4, 2020.
  3. Resolution Designating City Connecting Links in State Highway System (City of Merriam) (PDF), Kansas Department of Transportation, August 1, 1987, retrieved November 28, 2009
  4. "1987 Official Kansas Transportation Map" (PDF). KDOT. Kansas Department of Transportation. 1987. p. Inset side. Retrieved February 16, 2019.
  5. "Spur Kansas Highway 12". Kansas Highways Routelog. Retrieved January 14, 2022.
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