U.S. Route 66 in Kansas U.S. Route 66 in Kansas U.S. Route 66 (US 66, Route 66), the historic east–west US highway between Chicago, Illinois and Santa Monica, California, passed through one brief segment in the southeastern corner of Kansas. It entered the state south of Baxter Springs and continued north until it crossed the Brush Creek, from where it turned east and left the state in Galena. After the decertification of the highway in 1985, this road segment was numbered as US-69 (alternate) from Quapaw, Oklahoma north to Riverton, Kansas and as K-66 (Kansas highway) from Riverton east to Route 66 in Missouri. The
K-126 (Kansas highway) K-126 (Kansas highway) K-126 is a mostly east–west state highway in southeastern Kansas. Its eastern terminus is the Missouri State Line east of Pittsburg where it continues as Route 126. Its western terminus is at U.S. Route 400 (US-400) just south of McCune. Between Pittsburg and US-400 this road was the original alignment for U.S. Highway 160. K-126 begins at an intersection with US-400 and heads northward; south of this intersection, the roadway continues as Northwest 100th Street. The highway passes the small city of McCune on its eastern limit, then meanders slightly to the northwest before turning north again.