U.S. Federal Route 50 runs along the interstate system in it's entire time in Johnson County. It runs along Interstate 35 from the Johnson/Miami County Line to Interstate 435. From Interstate 35 it follows Interstate 435 to the Kansas/Missouri State Line. U.S. Rt. 50 passes through the following towns in Johnson County. Gardner Olathe
Lenexa
Overland Park Leawood U.S. Rt. 50 is multi-plexed in Johnson County. Interstate 35, from the Johnson/Miami County Line to Lenexa. U.S. Rt. 56, from Gardner to Lenexa. U.S. Rt. 169, from Olathe to Lenexa.
Interstate 435, from Lenexa to the Kansas/Missouri State Line.
NB I-35/U.S. Rt. 169; EB U.S. Rt. 50/56 in Olathe. NB I-35/U.S. Rt. 169; EB U.S. Rt. 50/56 at the ramp for U.S. Rt. 50 to join EB I-435. EB I-435/U.S. Rt. 50 at U.S. Rt. 69. The Kansas Welcome Sign on WB I-435/U.S. Rt. 50.