Kansas Turnpike discontinuous exit numbers on I-70. The first of the highway, between its southern terminus at the Oklahoma border and Emporia, Kansas, are designated as Interstate 35 (I-35). The Kansas Turnpike is the only tolled section on this Interstate. The turnpike runs due north and south between its southern terminus and Wichita. This stretch of the highway runs parallel to U.S. Route 81 (US-81), which lies to the west of the turnpike. The Kansas Turnpike begins at the Oklahoma state line north of Braman, Oklahoma. This is also the point at which I-35 crosses from Kay County to Sumner County. The
U.S. Route 75 in Kansas 4 miles north of the state line. South of Neodesha, US 75 overlaps with US 400 as a 2 lane freeway. At Interstate 35 (I-35), US 75 becomes a two-lane expressway again, passing east of Melvern Lake. About 15 miles south of Topeka, the highway becomes a four lane freeway. US 75 crosses the Kansas Turnpike without any direct access and drivers must use I-470 to access the turnpike. US 75 runs around the main part of the city along I-470 and I-70. Leaving Topeka, US 75 becomes its own route again. Between Hoyt and Holton, the highway runs along