| Atherton | 650/325-4457 |
| Belmont (FAX) | 650/593-8394 |
| City of Brisbane | 415/508-2130 |
| Burlingame | 650/558-7670 |
| Campbell | 408/866-2145 |
| Colma | 650/997-8300 |
| Cupertino signals | 408/777-1366 |
| Cupertino pub wrks | 408/777-3269 |
| Daly City | 650/991-8038 |
| East Palo Alto | 650/853-3100 |
| Foster City | 650/286-8146 |
| Gilroy | 408/842-3191 |
| Half Moon Bay | 650/726-8260 |
| Hillsborough | 650/579-3800 |
| Los Altos | 650/947-2685 |
| Los Altos Hills | 650/941-7222 |
| Los Gatos | 408/354-6865 |
| Menlo Park | 650/858-3490 |
| Millbrae | 650/259-2374 |
| Milpitas | 408/586-2600 |
| Monte Sereno | 408/354-7635 |
| Morgan Hill | 408/779-7271 |
| Mountain View | 650/903-6311 |
| Pacifica | 650/738-7348 |
| Palo Alto | 650/329-2136 |
| Portola Valley | 650/851-1700 |
| Redwood City | 650/780-7472 |
| San Carlos | 650/802-4204 |
| San Jose | 408/535-3850 |
| City of San Mateo | 650/522-7350 |
| Santa Clara | 408/615-3080 |
| Saratoga | 408/868-1245 |
| South San Francisco | 650/829-6650 |
| Stanford | 650/725-2453 |
| Sunnyvale | 408/730-7407 |
| Woodside | 650/851-6790 |
| Santa Clara County (North) | 408/366-3100 |
| Santa Clara County (South) | 408/683-1240 |
| Bad Driver Report Line | 408/730-7109 |
| VTA LRT Construction | 408/321-5754 |
| CalTrans, District 4 | 510/286-5598 |
| CalTrans (drain grates) | 510/286-6377 |
| San Mateo County | 650/363-4103 |
| South San Mateo County | 650/369-7840 |
State Highways
| CalTrans District 4 Headquarters | 510-286-5598 |
| CalTrans (drain grates) | 510-286-6377 |
| CalTrans (road hazards on El Camino Real or freeway ramps) |
650-358-4127 |
| CalTrans (signals on El Camino Real) | 650-557-1309 |
| CalTrans Construction Office (construction on El Camino Real) |
650-570-0588 |