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 83 Oklahoma State Highway 83 Oklahoma State Highway 83 (abbreviated SH-83) is a state highway in the U.S. state of Oklahoma. The route, which lies entirely within Le Flore County, connects US-59 between Howe and Poteau to the Arkansas state line. Along the way, SH-83 serves the town of Monroe. Its total length is . The highway has no lettered spur routes. SH-83 begins at US-59 north of Howe. The route heads due east of this point, continuing until it reaches an abandoned rail line, where it curves north. SH-83 follows the rail line as the highway turns back east, paralleling