High Quality Content by WIKIPEDIA articles! K-22 is a 3.087-mile (4.968 km) long highway in the U.S. State of Kansas. Located entirely within Washington County, the route runs from U.S. Route 36 (US 36) north to the city limit of Haddam. A previous designation of the route existed in the 1930s from Wichita to Topeka, but was deprecated. The current alignment was designated in the 1940s.