Wyoming Highway 171
| Grass Creek Road | ||||
WYO 171 highlighted in red | ||||
| Route information | ||||
| Maintained by WYDOT | ||||
| Length | 8.63 mi (13.89 km) | |||
| Major junctions | ||||
| West end | CR 17 / CR 36 in Grass Creek | |||
| East end | WYO 120 | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Hot Springs | |||
| Highway system | ||||
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Wyoming Highway 171 (WYO 171) is a 8.63-mile-long (13.89 km) Wyoming state road located in northern Hot Springs County that serves the former town of Grass Creek and oil fields owned by Marathon Oil Company.