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 125 Oklahoma State Highway 125 State Highway 125 (abbreviated SH-125) is a state highway in northeastern Oklahoma that is long. It begins in the south at Grand Lake O' the Cherokees, ending in Miami at US-69/State Highway 10. It has no lettered spur routes. SH-125 was established in the late 1950s as a gravel spur to Monkey Island from US-59. It was paved within the first five years of its existence, and was extended north to Miami in the early 1970s. State Highway 125 begins on Monkey Island, a peninsula jutting into Grand Lake, at the Shangri-La resort at the southern