Oklahoma State Highway 4 Oklahoma State Highway 4 State Highway 4, abbreviated as SH-4 or OK-4, is a designation for two distinct highways maintained by the U.S. state of Oklahoma. One of them serves as an important route through the suburbs west of Oklahoma City, while the other connects US-259 to the Arkansas state line west of Cove, Arkansas. SH-4 has no lettered spur routes. The two SH-4s were never connected. The Central Oklahoma highway was established in 1941 and gradually extended to its present extent between then and 2003. The Eastern Oklahoma highway was originally numbered SH-21, and was renumbered to SH-4 in
Oklahoma State Highway 127 its two termini along US-59/SH-10 is only . SH-127 first appears on the state highway map of 1959, following the same general route as it does today, although it was a gravel highway rather than being paved. The first section of the highway to be upgraded was the section between Zena and the eastern terminus; this segment was paved by 1967. The remainder of the route was paved by 1975, resulting in its present-day configuration. Oklahoma State Highway 127 State Highway 127 (SH-127) is a state highway in Delaware County, Oklahoma. It runs from US-59/SH-10/SH-20 in Jay, through the community