TPW Roads

TPW Roads Division Services

Services provided to you by the Roads Division of the Department of Transportation and Public Works.

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  • See information about the Community Roadside Clean Up & Adopt-a-Road Programs.

  • Find out about how county roads become obstructed during storms and high winds, and who to contact if you come across an obstructed road.
  • Standard plans and specifications for construction done on or associated with Sonoma County roads.
  • Pedestrian crossings, also known as "crosswalks," are meant to allow pedestrians to cross a street safely, while signaling motorists to stop.
  • Guardrail is a roadway barrier, usually made of metal and running parallel along the outer edge of the road. Guard rail is installed and maintained by the Transportation & Public Works Roads Division.
  • See summary information about the amount of roadway contained within the County road system.
  • Basic parking guidelines for public County roads, and related information.
  • Introduction page for pavement preservation
  • Find about about the County post mile system. Download the Sonoma County Post Mile Book, a reference guide to locations along County roads.
  • Citizens are encouraged to report road damage to the Department of Transportation and Public Works Road Maintenance Headquarters. Click here to find out more.
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Contact Information

Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462023, -122.725381

Driving Conditions

Google Maps
See traffic conditions on Google Maps

Caltrans Quick Map
See road events and driving conditions for State highways

Report Maintenance Issues

Traffic Control on Sonoma County Roads