• C03020 - Western Avenue 1

Western Avenue
Bike Shoulder Widening

Project # C03020

Status: Complete


  • Shoulder widening
  • Installation of storm drain system
  • Installation of guard rails



Western Avenue (County Road Number 5705A), between Chileno Valley Road and Windsor Drive (from postmile 17.17 to 17.47), just outside the city of Petaluma.


  • Bid Date: November 24, 2009
  • Work Completed: Fall, 2010
  • Official Notice of Completion: April 19, 2011

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 Paving Projects

Sonoma County Pavement Preservation Program


See information about road paving projects in unincorporated Sonoma County.

Standard Plans

Construction Standards for County Roads


Standard plans for construction of roads and related structures.