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Transit Police Bureau

The Sheriff's Transit Police Bureau provides law enforcement and investigative services to the municipal bus system in San Mateo County. Additionally, the Transit Police Bureau provides law enforcement services along the commuter railroad line operating between San Francisco and Gilroy.

To Report an EMERGENCY, call:
1-877-SAF RAIL
1-877-723-7245

The San Mateo County Sheriff's Office - Transit Police Bureau provides law enforcement services to the Peninsula Corridor Joint Powers Board (Caltrain) and the San Mateo County Transit District (SamTrans) under a contract approved by the two transit agencies and the San Mateo County Board of Supervisors in January 2002.

The Transit Police Bureau is responsible for patrolling transit stations, railroad right-of-ways, district parking lots and related properties throughout San Francisco, San Mateo and Santa Clara counties; the investigation of crimes, collisions, accidents and deaths involving SanTrans buses and Caltrain passenger trains. In addition, the Transit Police Bureau participates in special events, projects, and investigations as warranted.

The unit is under the command of the San Mateo County Transit District - Chief of Protective Services and consists of:

  • One Lieutenant
  • Two Sergeants
  • One Detective
  • One Motorcycle traffic officer
  • Three transit patrol deputies
  • Five K-9 Handlers
  • One Special Enforcement Officer
  • One Legal Office Specialist

The San Mateo County Communications Center is the contracted dispatched agency for the Transit Police, and may receive calls directly at (650) 363-4911 (the same as calling 911 from an unincorporated area within San Mateo County).This number is triggered when someone calls the emergency number posted at all Caltrain stations, on Transit Police vehicles, and as publicized by the news media. That number is: 1-877-SAF RAIL, and can be dialed toll free from anywhere.

Calls initiated by allied agencies, Caltrain and SamTrans' personnel, and Transit Police personnel will likely come in on (650) 363-4943. This is a dedicated "agency" line in the Communications Center answered as "Transit Police."

The Transit Police's main office is located at 1250 San Carlos Ave. San Carlos, CA and maintains two substations in San Francisco (4th and King Caltrain Station) and San Jose (Dierdon Caltrain Station).