Interstate 35 in Kansas Interstate 35 in Kansas Interstate 35 (I-35) is an Interstate Highway in the US that runs from the Mexican border near Laredo, Texas, to Duluth, Minnesota. In Kansas, the highway goes from the Oklahoma border to Kansas City at the Missouri border, with a length of . Along the way, I-35 passes through Wichita, the state's largest city, linking it to Emporia, Ottawa, and Kansas City and its Johnson County suburbs. I-35 enters Kansas from Oklahoma where the southern terminus of the Kansas Turnpike is located. After passing exit 4 for US Highway 166 (US-166) in South Haven, the interstate
K-181 (Kansas highway) River just above where the two forks converge at Waconda Reservoir. At Downs, the road intersects US-24 and continues north into Smith County. K-181 ends in Smith County at the junction of US-281 and US-36 just south of the town of Lebanon. K-181 (Kansas highway) K-181 is primarily a north–south state highway which runs through several counties in the north central part of the U.S. state of Kansas. K-181 begins at K-232 near the Wilson Lake Dam at the Lincoln/Russell county line. The highway actually begins by traveling to the east for about before turning north and crossing the Saline