Wyoming Highway 338
| Decker Road | ||||
WYO 338 highlighted in red | ||||
| Route information | ||||
| Maintained by WYDOT | ||||
| Length | 15.03 mi (24.19 km) | |||
| Major junctions | ||||
| South end | I-90 / I-90 BL / US 14 Bus. / US 87 Bus. in Sheridan | |||
| North end | S-314 at Montana state line | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Sheridan | |||
| Highway system | ||||
| ||||
| ||||
Wyoming Highway 338 (WYO 338) is a 15.03-mile-long (24.19 km) north-south Wyoming State Road located in north-central Sheridan County.