Texas State Highway Loop 343
| Route information | ||||
|---|---|---|---|---|
| Maintained by TxDOT | ||||
| Length | 5.186 mi (8.346 km) | |||
| Existed | 1961–present | |||
| Major junctions | ||||
| South end | US 290 / SH 71 | |||
| East end | I-35 | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Highway system | ||||
| ||||
Loop 343 is a 5.186-mile (8.346 km) state-maintained roadway located in Austin, Texas.