TPW Roads

Current Road Projects

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  • Pavement rehabilitation projects on various Sonoma County roads, using Asphalt Concrete Overlays, Full-Depth Reclamation, and Cold-In-Place Recycling as the pavement treatment techniques.

  • Pavement rehabilitation projects on various Sonoma County roads, using chip seals, fog seals, and slurry seals, as the pavement treatment techniques.

  • Pavement rehabilitation projects on various Sonoma County roads, using asphalt concrete overlay, full-depth reclamation and cold-in-place recycling, as pavement treatments.

  • The 2017 Pavement Program will kick off construction on 54.49 miles of roads this summer, as part of a 97 mile program approved by the Board last year. The remaining 42.51 miles are slated for construction in 2018. See the entire list of roads here.

  • This fall we will construct ADA improvements in the town of Graton. We will remove and upgrade sidewalks and other access features to make them ADA compliant. In some cases, we may remove only segments of sidewalks or ramps to make the necessary improvements.

  • We are currently replacing the one-lane bridge over the South Fork of the Gualala River with a two lane, 29 foot wide and 165 foot long steel bridge. The new bridge will be constructed adjacent to the existing bridge, and will provide two lanes designed to meet current standards, including shoulders and improvements to the approaching roadway. The existing bridge will remain in place through the construction process.

  • The project is located on Highway 101 at Airport Boulevard in Sonoma County between the cities of Santa Rosa and Windsor near the Sonoma County Airport. The project proposes to construct landscape improvements through an encroachment permit issued by Caltrans as a follow up to the Highway 101 North/Airport Boulevard interchange and sound walls project.
  • This project consists of widening of the roadway, as well as construction of curb and gutter, sidewalks, pedestrian lighting, traffic striping and traffic signals, other improvements as shown on the plans.
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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

Road Commissioner Project Declarations

See Road Commissioner Project Declarations


See listing of road projects declared by the Sonoma County Road Commissioner

Standard Plans

Construction Standards for County Roads


Standard plans for construction of roads and related structures.


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