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Balfour Road

Project Description

The Contra Costa Transportation Authority (CCTA) is constructing a new Balfour Road Interchange at Highway 4. The Balfour Road and Highway 4 intersection is currently signalized, resulting in traffic backups during peak commute times. This project will replace the at-grade intersection with a new interchange at this location.

This is the final phase of bypass construction to improve traffic flow on Highway 4. The bypass projects on Highway 4 were developed cooperatively among the Contra Costa Transportation Authority, and the cities of Brentwood, Antioch, and Oakley to ease traffic congestion along Highway 4. To view a video rendering of the new interchange, please watch below.

Newly constructed eastbound lanes open to the public

The Contra Costa Transportation Authority (CCTA) completed another stage of construction on the Balfour Road Interchange Project, and opened newly constructed lanes to the public the weekend of July 20-22, 2018.   A traffic switch occurred to move eastbound Highway 4 drivers onto the newly built, elevated alignment over Balfour Road.  Additionally, eastbound Highway 4 motorists are now able to use newly constructed on and off-ramps.  A new signal is activated at the intersection of Balfour Road and the new off-ramp, and directional signage is in place to help inform motorists.

Visualizations of the new eastbound traffic flow, as well as the new on- and off-ramps can be viewed online at:

https://youtu.be/saN5QOS9A4E

https://youtu.be/2RU5o3CjcIs

https://youtu.be/2acw46W4AdI

2017 Construction Highlights

The Balfour Road Interchange project passed another milestone in October, 2017 when concrete was poured for a new bridge deck that will be one of the new on-ramps for the future interchange.  Check out some amazing images and a 30-second timelapse showing the construction team finishing the concrete.

Construction crews also recently completed another project milestone in December, 2017 by installing the girders, which are precast concrete support beam bridges, for the Deer Creek Bridge. This is the next step in the completion of Deer Creek Bridge on the Balfour Interchange.

To view more video renderings, please visit Videos.

To view monthly construction progress photos, please visit Photos.

Construction Work

Construction work continues on Balfour Road and the surrounding area from Monday through Friday with occasional weekend work, as needed. At least one lane in each direction will remain open at all times on Balfour Road.

Daytime lane closures on Balfour Road, when required, will be limited to the hours of 8:30 am through 2:30 pm when local schools are in session.

All work is subject to weather conditions.

Daytime Work

  • Monday, May 6 through Friday, May 10 from 7:00 am to 3:30 pm

Upcoming Work

  • Watch for intermittent daytime lane closures on Balfour Road starting Monday, May 6, 2019 through Friday, May 10, 2019 from 8:30 am to 2:30 pm.
    • Construction crews will be finishing up the final work on Balfour Road.

Costs and Funding

The total construction  budget is $42.7 million. Funding sources for this project include Measure J, the East Contra Costa Regional Fee and Financing Authority (ECCRFFA), and Contra Costa Water District (CCWD).

Schedule

Construction will begin in Spring 2017 and is expected to be complete in late 2018 or early 2019.  Check back here for future updates on construction activities and traffic detours.

Fact Sheet

To download a fact sheet about the Balfour Road Interchange project, please click below.

 

 

 

 

 

 

 

Updates

To sign up for the project notification list, please email BalfourRoadInterchange@gmail.com.

Questions? Call the project hotline at: (925) 756-0721

Stay Connected

Follow along at:

www.facebook.com/ContraCostaTransportationAuthority

www.twitter.com/4EastCounty

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