Wyoming Highway 343
| Dayton-Ohlman Road | ||||
WYO 343 highlighted in red | ||||
| Route information | ||||
| Maintained by WYDOT | ||||
| Length | 5.24 mi (8.43 km) | |||
| Major junctions | ||||
| South end | US 14 north of Dayton | |||
| North end | WYO 345 in Parkman | |||
| Location | ||||
| Country | United States | |||
| State | Wyoming | |||
| Counties | Sheridan | |||
| Highway system | ||||
| ||||
| ||||
Wyoming Highway 343 (WYO 343) is a 5.24-mile-long (8.43 km) north-south Wyoming State Road in northern Sheridan County that connects U.S. Route 14 (US 14) and WYO 345.