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
Kansas Turnpike turnpike proceeds due north from the state line, with no interchanges for its first in Kansas. The southernmost interchange on the turnpike is Exit 4 (South Haven), which serves US-166. US-166 heads east to Arkansas City and west to US-81 at South Haven. This interchange is a four-ramp folded diamond with ramps in the southeast and northwest quadrants. It has no toll plazas, as it lies south of the southern barrier toll. Northbound traffic must exit at US-166 to avoid paying a toll. Initially, the interchange provided only a southbound exit and northbound entrance, forcing drivers who did not wish