Areas Under Raised Roads (0)
| Low |
| Moderate |
| High |
| Very High |
Leased Areas (1)
| Low |
| Moderate |
| High |
| Very High |
Homeless Encampment Sites (2)
Illegal Dumping Sites (3)
Temporary Yards (4)
| Low |
| Moderate |
| High |
| Very High |
Maintenance Stations (5)
| Low |
| Moderate |
| High |
| Very High |
Rest Areas (6)
| Low |
| Moderate |
| High |
| Very High |
Park and Rides (7)
| Low |
| Moderate |
| High |
| Very High |
Ramps (8)
| Low |
| Moderate |
| High |
| Very High |
Highways (9)
| Low |
| Moderate |
| High |
| Very High |
Counties (10)
| County Boundary |
Caltrans Districts (11)
| Caltrans District |
Regional Boards (12)
| Regional Board |
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