Contra Costa County and Dublin CHP Dispatch

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Part of the California Highway Patrol Golden Gate Division

California Highway Patrol Golden Gate Communications Center - Contra Costa & Dublin Division

Please report feed problems to System resets at 3:05, 3:15, 15:05, 15:15 every day, causing the feed to be offline for about 5 minutes.

Contra Costa

  • Covers Interstate 80 & Interstate 680, Highway 4, Highway 24.
  • Areas include: Richmond, Martinez, Concord, Brentwood, Orinda, Pittsburg, Antioch, Oakley, Walnut Creek, Alamo
  • Dispatch Frequency: 42.92 Mhz Maroon.


  • Covers Interstate 580 & Interstate 680.
  • Areas include: Dublin, Livermore, Pleasanton, San Ramon...
  • Dispatch Frequency: 44.94 Mhz Khaki.
  • CHP Castro Valley patched but inaudiable (dispatchers will respond).

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Signal quality for this feed is severely impacted during the month of December.

Solano CHP feed has a lot of good radio information