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 43 Oklahoma State Highway 43 State Highway 43 (SH-43 or OK-43) is a state highway in Oklahoma, United States. It runs 65.3 miles west-to-east through Coal, Atoka, Pushmataha and Pittsburg counties. SH-43 begins at US-75/SH-3 in Coalgate, the seat of Coal County. It runs east from Coalgate for toward US-69. Before meeting US-69, it crosses into Atoka County and over Atoka Reservoir. Two boat ramps on the reservoir are accessible from SH-43. After crossing the reservoir, SH-43 reaches US-69, which it begins a concurrency with. US-69 and SH-43 head south, passing through Flora, an unincorporated place, and in between Atoka Reservoir