Traffic Switch at I-80 Gilman Street Interchange in Berkeley July 10, 2024


Alameda County ― Caltrans has scheduled a traffic switch which will go into effect at the Interstate 80 Gilman Street interchange in Berkeley starting the night of July 10, 2024. Motorists should drive with extra caution in the construction zone as the traffic lanes will be placed in a new configuration.

West Frontage Road will be reopened to two-way traffic between University Avenue and Gilman Street for traffic heading to Tom Bates Regional Sports Complex (the soccer fields) and Golden Gate Fields.

Westbound traffic on Gilman Street can use the Interstate 80 westbound onramp to enter I-80, but will not be able to continue traveling westbound along Gilman Street, with the exception of emergency vehicles.

Westbound traffic on Gilman Street heading to the soccer field will be detoured onto westbound I-80 and exit University Avenue where motorists can use Frontage Road to access Tom Bates Regional Sports Complex (soccer fields) and Golden Gate Fields.

The Gilman Street pedestrian overcrossing, which opened to the public in May, will remain open and all other elements of the interchange will be unchanged. The temporary roundabout on Gilman Street west of the Second Street intersection will remain in place.

Caltrans thanks pedestrians, cyclists, and motorists for your patience as we work to improve the Gilman Street intersection. Every effort will be made to minimize inconvenience to the traveling public.

Proper signs and pavement delineation, as well as portable changeable message signs, will be installed to guide cyclists, pedestrians and motorists.

Pedestrians will not be allowed to cross under the I-80 bridge during this phase of construction; they should use the newly opened pedestrian overcrossing on the south side of the interchange.

While the overcrossing will be open to the public, pedestrians, cyclists and anyone using the roundabout should use caution, as it is in an active construction zone. All traffic approaching the roundabout is required to yield to the traffic already in the roundabout.

For additional information on the Gilman Street Roundabout Project, go to our website at I-80 Gilman Interchange Improvement Project .


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