U.S. Federal Route 40 us a east-west highway in Shawnee County. Most of this highway is on Interstate 70. U.S. Rt. 40 passes through the following towns in Shawnee County. Topeka U.S. Rt. 40 is multi-plexed in Shawnee County. Kansas State Route 4, from Topeka to near Kiro. Interstate 70, from Topeka to the Shawnee/Wabaunsee County Line. U.S. Rt. 75, at Topeka. U.S. Rt. 40 crosses the following highways in Shawnee County. Interstate 70, near Big Springs. (NO INTERCHANGE) Kansas Turnpike, near Big Springs. (NO INTERCHANG) Kansas State Route 4, at Topeka. Interstate 70, at Topeka. U.S. Rt. 75, at Topeka. Interstate 470, at Topeka. U.S. Rt. 75, at Topeka. Kansas State Route 4, near Kiro.
