The Caldecott Improvement Project will construct a fourth tunnel (or bore) to connect Alameda and Contra Costa counties via State Route 24. The new tunnel will help alleviate traffic congestion, reduce traffic delays, improve travel times and enhance safety along State Route 24.
Contractor’s Corner
If you are a contractor interested in learning more about the bidding and building process the fourth bore, please visit the Technical Construction Information page.
Community Forum
If you are a member of the community, please visit the Community Forum to learn about upcoming events and ways to get involved in the project.
Teamwork Makes It Happen
Working together, the following agencies are responsible for delivering the Caldecott Improvement Project:
| What's New
- Contract documents will be available on this Web site in early August 2008.
- A Contractor Outreach Meeting was held on May 19, 2008 at the Park Plaza Hotel. Click for more information.
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