Full closure of Golden Gate Bridge, ramp closures for Fourth of July Fireworks Display at Golden Gate Bridge, July 4, 2026

What’s Happening?

The Golden Gate Bridge Authority will temporarily close the Golden Gate Bridge, and Caltrans will assist with lane and ramp closures on area freeways to support the City of San Francisco and regional partners as they host a Fourth of July Semiquincentennial fireworks display.

The bridge will be closed from 9 p.m. to 10 p.m. Lanes on area freeways will begin closing at 8 p.m. The closure is necessary to ensure public safety.

For full event details, visit:

Fourth of July fireworks on Golden Gate Bridge | SF.gov
Golden Gate Bridge 89th Anniversary | Golden Gate

Where is the Closure Happening?

To ensure the safety of the traveling public, Caltrans will be closing lanes on US-101 in both directions starting at 8 p.m. Crews will be closing the Northbound US-101 off-ramp at Lincoln Boulevard in San Francisco, the Southbound US-101 off-ramp at Spencer Avenue in Marin County, the Northbound US-101 on- and off-ramps at Girard Street in San Francisco, the Northbound US-101/State Route 1 (SR-1) interchange off-ramp, and SR-1 at Lake Street.

Traffic Impacts

Motorists are urged to plan ahead when traveling to San Francisco to view the fireworks, as heavy congestion and significant delays are expected on routes serving The Presidio, Crissy Field, the Marina, and other popular viewing areas. Drivers should anticipate delays before and after the show. Caltrans strongly encourages the use of public transit, which will offer extended service.

Detour (Regional and Local)

Drivers traveling between San Francisco and Marin counties on the Golden Gate Bridge from 8:00 p.m. to 10:00 p.m., will be required to use a detour to reach their destinations.

Suggested detours:

If traveling on the U.S. 101 from San Francisco to Marin County

• Take EB I-80 (Bay Bridge), to NB I-880, to WB I-580 (Richmond-San Rafael Bridge).

If traveling on the U.S. 101 from Marin County to San Francisco

• Take EB I-580 (Richmond-San Rafael Bridge), to SB I-880, to WB I-80 (Bay Bridge).

4th of July — Local Closures & Detours

Detour from NB U.S. 101 Lincoln Blvd.

Detour from Lincoln Blvd. to SB U.S. 101

Detour from Spencer Ave. to NB U.S. 101( Marin County)

Traffic Advisories

June 29, 2026
US-101 to Temporarily Close in Both Directions for Semiquincentennial Fourth of July Fireworks Display on the Golden Gate Bridge | Caltrans

Stay Informed

Drivers in San Francisco should be ready for extended travel times, follow all CHP instructions, and check QuickMap or 511.org for real‑time traffic updates. Also, visit sfhighwayprojects.com for the latest updates.

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