The Bay Lights | Bay Area Toll Authority & Caltrans

Categorical Exemption


The western span of the Bay Bridge that connects downtown San Francisco to Yerba Buena Island is one of the most architecturally-distinct elements in San Francisco. Originally constructed in 1936, the Bay Bridge provides a crucial link between San Francisco and the East Bay.

The Bay Lights project was an ambitious public arts endeavor by the non-profit organization, Illuminate the Arts, that involved installing 25,000 energy-efficient white LED lights on the vertical suspender cables in honor of the bridge’s 75th Diamond Anniversary. Each LED light is individually controlled, glowing and dimming in sync with the other lights to create a shimmering light show in the middle of the San Francisco Bay.

DJP&A completed the initial environmental review for the Bay Lights project in 2012 and is currently preparing the technical studies and CEQA review for the more permanent installation. The environmental review includes an analysis of the project’s aesthetic impacts to community character and navigational safety, potential impacts to birds, fish, and other wildlife, and hazardous material impacts. While the Bay Lights are a relatively new addition to the Bay Area landscape, they have quickly become a unique and beloved addition to the iconic bridge.

Image courtesy of David Goehring

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