| 1963 – present|
| SH 16|
| US 180 in Mineral Wells|
State Highway 337, abbreviated SH 337, is a 21.1-mile (33.957 km) state highway in the U.S. state of Texas. The highway begins at a junction with State Highway 16 (SH 16) and heads east to a junction with US 180 in Mineral Wells.
Texas State Highway 337 Wikipedia
SH 337 was originally designated in 1940 as a route from SH 78 north of Bailey to SH 34. That route was transferred to FM 68 in 1942. It was then not designated, but signed in 1955 over FM 1077 from Plains to the New Mexico State line. In 1963, this route was transferred to US 82. SH 337 was again designated in 1963 to serve as a route between SH 16 and Mineral Wells.
SH 337 begins at a junction with SH 16. It heads east from this junction to an intersection with SH 254 in Graford. SH 337 reaches its eastern terminus at US 181 in Mineral Wells.
The entire route is in Palo Pinto County.