State Highway 37 is a designation for two separate highways in the state of Oklahoma. The northern section runs between Hinton and Moore in central Oklahoma, while the southern section runs from the Texas state line at the Red River to Idabel, in southeastern Oklahoma. The northern section of SH-37 runs from US-281 in Hinton to Sunnylane Road in Moore. The southern section of SH-37 is long.
The SH-37 in Central Oklahoma begins at US-281 in Hinton, Caddo County. It runs in a zigzag pattern for to the southeast before crossing into Canadian County. The Canadian County section runs in an irregular path to the southeast for, before re-entering Caddo County. Back in Caddo County, SH-37 runs three miles south to the town of Cogar, where it joinsSH-152, and turns to the east. This concurrencygoestwo miles before entering Grady County. In Grady County, SH-37/SH-152 goes to the east to US-81. There SH-152 turns to the north, and SH-37 joins US-81 for a one-and-a-half mile concurrency to Minco, where SH-37 splits off and heads east once again. SH-37 runs for in Grady County, serving as the northern terminus for SH-92 on the west edge of Tuttle, and intersecting SH-4 in Tuttle before crossing into McClain County. One mile into McClain County, SH-37 serves as the northern terminus for SH-76, then joins I-44 for a brief concurrency three miles later. SH-37 overlaps I-44 for three miles, running north across the Canadian River into Cleveland County and Oklahoma City, where it runs east along S.W. 134th Street into the city of Moore, where it becomes S. 4th Street. SH-37 ends at Sunnylane Road, formerly SH-77H, in Moore.
Southeastern Oklahoma
The southeastern SH-37 begins where TX-37 crosses the Red River into Oklahoma, and heads north for two miles to a junction with SH-98. At this point, SH-37 heads east for to its terminus at US-70 Bypass in Idabel.
History
Central Oklahoma
The portion of SH-37 in Moore between Janeway Avenue and its eastern terminus at Sunnylane Road was in the damage path of the EF-5 tornado that hit Moore on 20 May 2013.
Southeastern Oklahoma
The southeastern SH-37 was originally numbered as SH-57.
