Highway 4 Roadwork for the New Sand Creek Road Undercrossing

The Contra Costa Transportation Authority (CCTA) is constructing the Sand Creek Road Interchange and widening State Route 4 at Lone Tree Way (SR-4) – (Formerly Bypass Road) through Antioch and Brentwood. As part of this construction work the contractor will be performing pile driving activities for the new Sand Creek Road Undercrossing bridge.

Pile driving began on September 10th and will take place from 7:00 AM until 5:30 PM, Monday through Friday, for approximately 2 to 3 weeks. Local residents/businesses can expect increased background noise levels during pile driving activities.

Please drive with caution through the work area and leave a safe traveling distance between your vehicle and the vehicle ahead of you. CCTA appreciates your patience as we work to improve mobility in East Contra Costa County. For the most current information please contact the project hotline number at 925-206-3002 or go to www.ccta.net


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