Macalla Road Detour Between Yerba Buena Rd. and Northgate Rd.

San Francisco County Transportation Authority
Yerba Buena Island Westbound Ramps Improvement Project
Macalla Road Work - Macalla Road Detour

What Work Will Be Done?

In order to facilitate reconstruction Macalla Road and construction of the new Yerba Buena Island Westbound on and off ramps, traffic on Macalla Road will be detoured to the newly constructed Macalla Bypass Road between Yerba Buena Road and Northgate Road starting February 6, 2015. This traffic configuration is expected to last approximately one year.

Who is Doing the Work?

The San Francisco County Transportation Authority is administering the project through their construction manager Parsons Brinckerhoff. The general contractor for the project is Golden State Bridge.

What Can You Expect?

The change in alignment should not have traffic impacts or create additional delays. It is anticipated that the project will be completed in the summer of 2016. Please drive with caution near the work area and remember to leave a safe distance between your vehicle and the vehicle ahead of you. The San Francisco County Transportation Authority appreciates your patience as we work to improve mobility and safety on Yerba Buena Island.

For More Information

For further information you may e-mail any questions/inquiries to