5-1-1 Mobile Call Box Program

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Instead of using a fixed call box along San Diego area roadways, or dialing 9-1-1, a motorist with a cellular phone who needs motorist aid services can simply take the following steps:

  • Determine where he or she is located by highway number and nearest exit, or other landmark.
  • Pull over to a safe place.
  • Dial 5-1-1.
  • Say "Roadside Assistance".

The 5-1-1 system will then direct these calls to the Call Box Answer Center, which transfers the call as necessary to the California Highway Patrol, AAA, Manufacturer Help Line or other sources of assistance.

The 5-1-1 call is free, other than charges, if any, from the motorist’s cellular company. The motorist will be responsible to pay for any costs related to services such as towing or mechanical work.

Callers reporting emergencies like crimes, accidents or fires, will be asked to hang up and dial 9-1-1 in order to get the quickest access to emergency services.

For additional information on 5-1-1, visit