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San Luis Obispo County, California

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Traffic and Transportation

The San Luis Obispo County Traffic Engineering Group is responsible for the safe and efficient movement of traffic on all County – Maintained roadways in the unincorporated area except for:


  • State Highways (Contact Cal-Trans (805) 549-3111)
  • City Streets (contact appropriate city or town)
  • Non- County maintained roads
  • Objectively define the future needs and costs of the System to meet Established County Policy


Services Provided