The Kilpatrick Turnpike's entire route lies within the city limits of Oklahoma City. There are no exit numbers assigned to any of the turnpike's interchanges. The Kilpatrick Turnpike begins at an at-grade intersection with S.W. 15th Street just west of Sara Road in far western Oklahoma City. The turnpike heads north from this intersection to an interchange with I-40/US-270. Not all movements are possible at this interchange; I-40 is not accessible from the northbound Kilpatrick Turnpike, and the southbound turnpike is not accessible from I-40. Another partial interchange is located at N.W. 10th Street, with ramps allowing drivers to join the northbound turnpike and exit the southbound turnpike. The turnpike continues north, passing just east of the Yukon city limits, before making an S-curve to the east, running west of Lake Overholser. The turnpike's first full interchange is with State Highway 66, which runs along N.W. 39th Expressway. North of this interchange, the Kilpatrick Turnpike crosses the North Canadian River. The next interchange is with Wilshire Boulevard. Immediately north of Wilshire Boulevard is the first barrier toll plaza. The highway's next interchange is with SH-3, also known as the Northwest Expressway. The turnpike curves to the east north of here, entering Oklahoma County. East of the county line, the Kilpatrick Turnpike follows the route of Memorial Road; Memorial splits into a pair of one-way frontage roads during this stretch. The next interchange, at Council Road, allows eastbound traffic to exit and westbound to enter the turnpike. The two interchanges to the east of here, at Rockwell Avenue and MacArthur Road, allow full access. At Meridian Avenue, traffic can exit the turnpike westbound and enter it eastbound. To the east lies an interchange with SH-74. This is the northern terminus of the Lake Hefner Parkway freeway; north of here, SH-74 follows Portland Avenue. The interchange only allows direct access from the westbound Kilpatrick Turnpike to southbound SH-74 and from northbound SH-74 to the eastbound turnpike; all other movements must be completed via Memorial Road. The turnpike continues east, with full interchanges at May and Pennsylvania avenues. East of Penn, the highway curves southeast, leaving the Memorial Road corridor. The next interchange is at Western Avenue. To the east of here is the second barrier toll plaza. After the toll plaza is the interchange with US-77, a freeway also known as the Broadway Extension. The turnpike then has an interchange at Eastern Avenue. The turnpike then comes to an end at I-35/I-44. Eastbound I-44 splits away from northbound I-35 at this interchange to form the Turner Turnpike, and the eastbound Kilpatrick Turnpike mainline merges into the Turner Turnpike toward Tulsa. Law enforcement along the John Kilpatrick Turnpike is provided by Oklahoma Highway Patrol Troop YE, a special troop assigned to the turnpike.
History
In 1987, the Oklahoma Legislature authorized construction of the first phase of the turnpike, between I-35 and Lake Hefner Parkway. It was completed in 1991. In 2001, an extension of the turnpike to I-40 was completed.
