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Current Road Projects

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  • Placement of a Bonded Wearing Course (Gap Graded, 1/2" Maximum Aggregate), on various County Roads as well as delineation of the new pavement surface, ADA improvements, and such other items or details that are required by the Standard Specifications.
  • Full depth reclamation and chip seals on various county roads including but not limited to asphalt concrete overlay of roadway, adjusting utility covers, guard rails, applying striping, installing delineators, repairing pavement structural section, cold planing, shoulder backing, traffic signal modification and such other items or details, not mentioned above, that are required by the plans and Standard Specifications.

  • The County of Sonoma Department of Transportation and Public Works is undertaking a project to signalize and widen Adobe Road at East Washington Street.  The project consists of signal installation, road widening, drainage improvements and pavement markings and striping.

  • 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.
  • Consolidation of existing cross-culverts at postmile 10.81 and postmile 10.82 with one larger capacity pipe at postmile 10.82, as well as removal and backfill at postmile 10.81 location.

  • Road Commissioner project declaration for bridge repairs on Summerhome Park Road (bridge ID 20C0377) and Neeley Road (bridge ID 20C0356), as well as an asphalt overlay of an 1,800 section of Woolsey Road extending south from the intersection with River Road.

  • 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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2300 County Center Drive
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Santa Rosa, CA 95403
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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

Construction Standards for County Roads


Standard plans for construction of roads and related structures.


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