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 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:
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WHAT'S NEW!
The Caldecott Improvement Project is expected to be advertised on May
19, 2009 with bid opening on August 11, 2009. Click here to view the OE
contract.
Please do not post any inquiries related to the contract documents on
this webpage. The contract documents will be available as of Monday,
May 18,
2009 on http://www.dot.ca.gov/hq/esc/oe/weekly_ads/index.php.
Please
send Contractor Inquiries via email to the Duty Senior at
Duty_Senior_District04@dot.ca.gov. The mailing address is P.O. Box
23660, Oakland, CA 94623-0660. The Duty Senior's telephone number is
(510)
286-5209 and the fax number is (510) 622-1805. All inquiries must
include the contract number.
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