Contra Costa Boulevard Improvements

Central County
City of Pleasant Hill
Contra Costa Boulevard between Chilpancingo Parkway and Viking Drive
Contra Costa Boulevard (CCB) was previously known as Contra Costa Highway 21 and served the county for many years. With the construction of I-680, State-aided construction was approved to make CCB four lanes from Boyd Road to Taylor Blvd to serve as a freeway bypass while construction of the section between Monument and Willow Pass Road was completed in 1964.

Contra Costa Boulevard is the longest regional arterial in the City of Pleasant Hill, with an average daily traffic volume of over 30,000 vehicles. The corridor traverses commercial and business centers it the City (e.g. Downtown Pleasant Hill and Sun Valley Mall), and it provides vital access to key educational facilities (e.g. Diablo Valley College). The current roadway configuration was designed back in the 1940s and 1960s and is in need of redesign and improvement.

The project will greatly improve the overall traffic circulation along Contra Costa Boulevard, and provide a much ne ...more