Texas State Highway Loop 390
| Route information | ||||
|---|---|---|---|---|
| Maintained by TxDOT | ||||
| Length | 10.907 mi (17.553 km) | |||
| Existed | August 31, 1965–present | |||
| Major junctions | ||||
| West end | SH 43 in Marshall | |||
| US 59 in Marshall | ||||
| East end | US 80 in Marshall | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Counties | Harrison | |||
| Highway system | ||||
| ||||
State Highway Loop 390 (Loop 390) is a state highway loop that forms a partial beltway within, but around, Marshall, Texas, United States.