State Highway 37 is a state highway that runs from the Oklahoma state line near Albion to Mineola in the northeast corner of the state.

Quick Facts State Highway 37, Route information ...

State Highway 37
Route information
Maintained by TxDOT
Length	92.293 mi[1] (148.531 km)
Existed	1939–present
Major junctions
South end	US 69 in Mineola
Major intersections	I-30 at Mount Vernon US 67 at Mount Vernon US 271 in Bogata US 82 in Clarksville
North end	SH-37 at Albion
Location
Country	United States
State	Texas
Highway system
Highways in Texas Interstate US State Toll Loops Spurs FM/RM Park Rec
← I-37 → SH 38

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SH 37 was designated as a route on April 13, 1918 from Clarksville to Lufkin.^[2] On August 21, 1923, it was pared back, with everything north of Mt. Vernon either cancelled or transferred to the new SH 66, and the portion from Jacksonville to Lufkin transferred to SH 40. On May 23, 1927, it was extended north to Talco.^[3] On June 24, 1931, it was extended north to the Oklahoma state line, replacing SH 66.^[4] On July 15, 1935, everything north of Clarksville was cancelled.^[5] The section north of Clarksville was restored on December 20, 1937.^[6] On September 26, 1939, the stretch from Mineola to Tyler was transferred to U.S. Highway 69 (Cosigned with since 1934), with the remaining route continuing to the present.

SH 37A was designated on January 19, 1920 as a spur from Tyler to Troup.^[7] This was cancelled on November 27, 1922.^[8] SH 37A was restored on February 18, 1924, but from Tyler to New Summerfield.^[9] It was cancelled on March 19, 1930, as it became part of SH 110.

SH 37A was also designated on April 23, 1929 from Quitman to Cooper.^[10] This was renumbered to SH 154 on March 19, 1930.

SH 37 has two business routes.

• List of state highways in Texas
• List of highways numbered 37