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 59 in Kansas US-59 reaches the south side of Lawrence and crosses K-10, known as the South Lawrence Trafficway, which heads west as a Super-2 toward Clinton Lake, the Kansas Turnpike, and Lecompton; and east as a divided freeway toward Olathe and Lenexa. Prior to November 2016, K-10 was merged with US-59 between the South Lawrence Trafficway and 23rd Street due to lawsuits over the completion of the road. In Lawrence, US-59 runs along Iowa Street, home to many retail shopping centers and fast-food restaurants. North of 23rd Street/Clinton Parkway, US-59 runs along the western edge of the University of Kansas. After crossing