The surface treatment is needed to protect pavements from the damaging effects of water and natural weathering.
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To report a pothole in the unincorporated area of Contra Costa County during business hours call Public Works Maintenance at (925) 313-7000 or email Maintenance. Visit the Public Works Request Services webpage for information on how to report online or on the go. If you have an emergent issue after hours call (925) 646-2441.
The Adopt-A-Road Program encourages organizations, corporations, groups and individuals to participate by providing volunteers to maintain and enhance Contra Costa County roads. For more information, please refer to our Adopt-A-Road Program guide (PDF). If you have questions about the program, please call (925) 313-7000 or email us.
The CRIPP is a programming document that anticipates revenues and identifies maintenance, rehabilitation, safety, and capacity improvement projects to be funded with the identified revenues. Visit the Public Works Capital Road Improvement and Preservation Program (CRIPP) webpage for more information.
Each year, selected roads throughout unincorporated Contra Costa County receive a surface treatment between June and October. The County Public Works Department has found that a program of preventive maintenance using surface treatments is the most cost effective way to extend the useful life of the County’s road network.
Surface treatments protect pavements from the damaging effects of water and air infiltration and sunlight exposure that can rapidly deteriorate a road. In many cases, the use of a surface treatment will eliminate the need to do expensive pavement patching and will add years to the life of the existing pavement. Surface treatments typically used by the County Public Works Department are single chip seal, double chip seal, slurry seal, cape seal, and microsurface seal. Visit the Public Works Pavement Management Program webpage for more information.