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Current Road Projects

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Showing: 15 of 5

  • In Progress: Arnold Drive
    Completed: Bennett Valley Road and Westside Road

    Full depth reclamation of 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, and other items or details that are required by the Plans and Standard Specifications.

  • 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.
  • As part of the 2015 Pavement Preservation Program, Sonoma County's Road Maintenance crews apply a chip seal treatment to a select group of County roads.
  • 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

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