State Highway 21 in San Augustine County, Texas
State Highway 21 in San Augustine County is two-lane main road. This street is part of the Highways 21 and Old San Antonio Road. State Highway 21 also exists in Lee County, Bastrop County, Sabine County and Houston County.
Public transit map San Augustine County Legend | Railway | |
| Bus | |
| Tram |
Bicycle map San Augustine County Legend | Bike path | |
| Bike lane on roadway | |
| Cycling allowed on bus lane | |
| Bicycle street | |
| Open to cyclists | |
| Open to cyclists, good path | |
| Cycling prohibited | |
| Cobblestone |
| Long-distance bike route | (depending on scale) | |
| Long-distance bike route |
Pedestrian map San Augustine County Legend | Path |
| Long-distance hiking trail | (depending on scale) | |
| Long-distance hiking trail | ||
| Pedestrians prohibited |