This session is presented by Axel Nitschke, Senior Tunnel Engineer, Gall Zeidler Consultants. The Caldecott Tunnel Project in California entails a fourth tunnel bore that will be built north of the existing three tunnel bores at the Caldecott Tunnel on State Route 24 between Oakland and Orinda. Two smaller projects that will help traffic flow in the area, as well as a project to landscape the construction staging areas after construction, are also part of the Fourth Bore Project. When the project is complete, two tunnel bores will accommodate westbound traffic and two tunnel bores will accommodate eastbound traffic.
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