Speed limit in Kansas – National Speed Limit in Kansas

In Kansas the maximum speed limit is posted at 75 mph (121 km/h) on divided four-lane highways and the rural areas of I-70, I-35, I-135, the Kansas Turnpike and the freeway-improved sections of US-69 and US-81. The minimum speed limit on Kansas Interstates is 40 mph (64 km/h).