Dorrell Substation in Walker County is substation (Sam Houston Electric Cooperative, 138000 V). Dorrell Substation is located near Family Lane.
- Operator
Sam Houston Electric Cooperative
| 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 |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Walker County Legend 
Bicycle map Walker County Legend 
Pedestrian map Walker County Legend