Caldecott Tunnel open to eastbound traffic

CONTRA COSTA COUNTY, CA

The big-rig, most likely because of mechanical reasons, jackknifed on state Highway 24 just west of the tunnel on the eastbound side around 8:20 a.m., prompting a Sig-alert at 8:34 a.m., said CHP Officer A. Paulson.

The CHP made the middle entrance, which in the morning is usually used for westbound traffic, into an eastbound entrance while the truck was removed, Paulson said.

By 9:30 a.m., the Sig-alert was canceled, the truck was removed and two tunnels were being used as an eastbound entrance, Paulson said. No injuries were reported.

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