- Antelope Valley Airport Express - Los Angeles Airport shuttle service serving Lancaster, Palmdale, Santa Clarita and Acton.
- Antelope Valley Transit Authority - Bus service for northern county areas. Includes route, fare, and schedule information.
- Big Blue Bus - Provides bus service to Santa Monica and the west side of Los Angeles, California. Includes route, fare, and schedule information.
- City of Santa Clarita Transit - Offers local bus service throughout the Santa Clarita Valley. Includes routes, fares and planning resources.
- Foothill Transit - Transit service for the eastern San Gabriel Valley, including express buses to Los Angeles and Pasadena.
- LADOT Transit Online - City of Los Angeles Department of Transportation official site includes commuter information, schedule, and park and ride information.
- Municipal Area Express (MAX) - Commuter bus serves the South Bay area. Offers information about schedules, fares, and routes.
