Tennessee State Route 366
| Route information | ||||
|---|---|---|---|---|
| Maintained by TDOT | ||||
| Length | 5.48 mi (8.82 km) | |||
| Existed | July 1, 1983–present | |||
| Major junctions | ||||
| West end | US 70A / US 79 in Humboldt | |||
| East end | US 45W / US 45W Bus. in Humboldt | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Gibson | |||
| Highway system | ||||
| ||||
State Route 366 (SR 366) is the unsigned designation for the 5.48-mile-long (8.82 km) northern beltway around the city of Humboldt in Gibson County, Tennessee. Throughout its length, the highway is signed as U.S. Route 45W (US 45W), US 70A Bypass, and US 79 Bypass.