• AC Overlay 1

Pavement Preservation Program - 2017 Overlays, FDR, & CIR 

Project # C17002

Status: Complete

Project Description

This project consists of pavement treatments on all of the roads listed in the 'Project Locations' section below. Treatment types include Asphalt Concrete (AC) overlays, Full-Depth Reclamation, and Cold-In-Place Recycling.

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Pavement Treatment Types

Asphalt Concrete Overlay

Asphalt Concrete (AC) consists of mineral aggregate bound together with asphalt, laid in layers, and compacted. The most common type used on streets and highways is Hot Mix Asphalt (commonly abbreviated as HMA).

Hot Mix Asphalt Overlay is regarded by most road departments as a standard for road maintenance and restoration, and has been for several decades. It produces durable, long-lasting results, and can increase pavement life by 15 years or more. Combined with other processes, such as milling or grinding of old pavement, an AC overlay can transform a tattered road surface into a like-new condition.

Cold-In-Place Recycling (CIR)

Cold-in-Place (CIR) recycling is a method of removing and reusing the existing asphalt surface. It involves grinding off the top 2 to 5 inches of the existing asphalt surface and mixing the crushed asphalt with an asphalt recycling agent, and placing it back down with a paver.

Full-Depth Reclamation

Full-Depth Reclamation is a type of complete road reconstruction where the old pavement and base materials are not removed. Instead, they are processed on-site. During this process, the old materials are pulverized, mixed, and treated with a stabilizing agent (such as cement or asphalt emulsion) to produce a like-new road base. Typically, the roadway is then re-surfaced with an overlay of new asphalt.

There’s no need to haul in aggregate or haul out old material for disposal. Truck traffic is reduced, and there is little or no waste. Due to reduced transportation, costs far less than the conventional approach to reconstruction. Can provide up to 30 years of additional life.

More about road pavement techniques

Project Locations

Cold-In-Place Recycling

  • 5TH STREET WEST, from Leveroni Road to Sonoma City Limit (Road ID 56005, from postmile 10.00 to 10.29)
  • ARNOLD DRIVE, from Leveroni Road to Craig Avenue (Road ID 5603 11.42, from postmile to 13.84)

Full Depth Reclamation

  • CAZADERO HIGHWAY, from Hwy 116 to Austin Creek Road (Road ID 71009, from postmile 10.00 to 13.47)

Asphalt Concrete Overlays

  • ADOBE ROAD, from Frates Road to Highway 116 (Road ID 5602, from postmile 16.27 to 19.49)
  • BUCKS ROAD, from Santa Rosa Avenue to Brooks Road (Road ID 68144, from postmile 20.00 to 20.25)
  • BROOKS AVENUE, from Bucks Road to 500' south of East Robles Avenue (Road ID 68080, from postmile 10.00 to 10.36)
  • BOYES BOULEVARD, from Arnold Drive to Highway 12 (Road ID 56106, from postmile 10.00 to 10.93
  • CROCKER ROAD, from River Road to Cloverdale City Limits (Road ID 1001A, from postmile 34.24 to 34.93)
  • EL DORADO DRIVE, from Los Banos Drive to Riverside Drive (Road ID 56134, from postmile 10.00 to 10.45)
  • HEALDSBURG AVENUE, from Healdsburg City Limit to Alexander Valley Road (Road ID 9904B, from postmile 14.42 to 14.61)
  • LOVALL VALLEY ROAD, from Sonoma City Limits to 4th Street East (Road ID 55040A, from postmile 10.13 to 10.57)
  • RIVER ROAD, from Crocker Road to Big Sulpher Creek Bridge (Road ID 10010, from postmile 20.00 to 20.71)
  • RIVER ROAD, from Big Sulpher Creek Bridge to Geysers Road (Road ID 10008, from postmile 20.75 to 20.99)
  • STONY POINT ROAD, from Petaluma City Limit to Rainsville Road (Road ID 5709, from postmile 10.23 to 10.46)

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

Standard Plans

Construction Standards for County Roads

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Standard plans for construction of roads and related structures.