San Francisco US-101 Rehabilitation Media Resources

Banner image for the San Francisco freeway rehabilitation projects, four will rehabilitate San Francisco’s major freeway arteries, referred to as the Fab 4 Rehab projects. The Fab 4 includes the Bayshore and Central freeways US-101 and I-80, the entire 19th Avenue (SR-1), and the pedestrian overcrossing on the I-280 near Cayuga Park

Downloadable Resources

U.S. 101 (Hospital Curve) Rehabilitation Project Map [JPG, 3679 pixels x 4655 pixels]

U.S. 101 (Hospital Curve) Rehabilitation Project Detour Map [JPG, 1579 pixels x 2114 pixels]

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 29, 2026

Cars traveling on U.S. 101 passing by a nearly completed portion of the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Caltrans working on a section of the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Caltrans using heavy equipment building the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Caltrans crew using heavy equipment building the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Caltrans crew pouring concrete into the median barrier forms for building the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Cars traveling on US 101 as Caltrans completes construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Cars traveling on US 101 as Caltrans completes construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Cars traveling on US 101 as Caltrans completes construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

Cars traveling on US 101 as Caltrans completes construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 29, 2026.

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 28, 2026

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans preparing the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Cars traveling on US 101 as Caltrans continues construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew preparing the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans installing electrical junction boxes preparing the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Cars traveling on US 101 at Paul Ave as Caltrans continues construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Cars traveling on US 101 at Paul Ave with signs indication lane closures as Caltrans continues construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using heavy equipment for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver and a crew member is doing finishing work on fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans uses heavy equipment for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Caltrans working on the new median barrier form for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Part of the new median barrier Caltrans is constructing as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Cars traveling on US 101 as Caltrans is working on the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

Cars traveling on US 101 as Caltrans is working on the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 28, 2026.

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 27, 2026

Cars traveling on US 101 as Caltrans prepare the site for the construction of a new median barrier near Paul Ave. as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Cars traveling on US 101 as Caltrans prepare the site for the construction of a new median barrier near Paul Ave. as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crews prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans uses heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans uses heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew using heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew using slipform paver for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Tools on top of a bucket used for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans crew member performs finishing work on the fresh concrete for the new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

Caltrans uses heavy equipment removing temporary median barrier to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 27, 2026.

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 15, 2026

Caltrans truck next to the newly installed median on US 101 in San Francisco on March 15, 2026.

Segment of new concrete median on US 101 in San Francisco. Temporary barriers separate traffic from the new median construction.

Segment of new concrete median (left) on US 101 in San Francisco. Temporary barriers separate traffic from the new median construction.

New concrete median on US 101 in San Francisco. Temporary barriers separate traffic from the new median construction.

New concrete median on US 101 in San Francisco (right). A temporary barrier (left) separates traffic from the construction area.

An orange sign alerts drivers to be aware of trucks entering and leaving the work zone on US 101 in San Francisco.

New median on US 101 in San Francisco on March 15, 2026.

Temporary barriers separate traffic from the new median on US 101 in San Francisco.

Temporary barriers on either side of the new median on US 101 near the exit for Paul Avenue.

Traffic flows on either side of the construction zone for the new median on US 101 on March 15, 2026.

Traffic flows on either side of the construction zone for the new median on US 101 near the junction with Interstate 280 on March 15, 2026.

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 14, 2026

A changeable message sign on the eastern span of the Bay Bridge alerts motorists to road construction on southbound US 101.

A changeable message sign on the eastern span of the Bay Bridge alerts motorists to road construction on southbound US 101 and recommends using Interstate 280 as an alternate route.

Caltrans has closed the two fast lanes in each direction of US 101 in San Francisco as part of the San Francisco US-101 (Hospital Curve) Rehabilitation project.

The old median barrier was removed as part of the San Francisco US-101 (Hospital Curve) Rehabilitation project.

Caltrans crew works removes soil as part of the construction of a new median barrier during the San Francisco US-101 (Hospital Curve) Rehabilitation project on March 14, 2026.

Caltrans crew works on the construction of a new median barrier during the San Francisco US-101 (Hospital Curve) Rehabilitation project on March 14, 2026.

Caltrans crew works on the construction of a new median barrier during the San Francisco US-101 (Hospital Curve) Rehabilitation project on March 14, 2026.

Caltrans crew install drainage infrastructure as part of construction of a new median barrier during the San Francisco US-101 (Hospital Curve) Rehabilitation project on March 14, 2026.

Partially constructed new median barrier on US 101 in San Francisco near the exit to Interstate 280.

Crew members in high visibility clothing perform finishing work on the fresh concrete of the new median barrier install on US 101 in San Francisco.

A crew member performs finishing work on the fresh concrete for the new median barrier on US 101 in San Francisco.

Caltrans crew performs finishing work on the fresh concrete of the new median barrier on US 101 in San Francisco.

Traffic flows on US 101 between Candlestick Point and Silver Avenue in San Francisco as Caltrans constructs a new median barrier.

A Caltrans crewmember performs finishing work on the fresh concrete of the new median barrier on US 101 in San Francisco.

Traffic continues to flow on US 101 as a temporary barrier separates motorists from the construction of the new median barrier in San Francisco..

A mixer truck and heavy equipment are used to construct the new median barrier on US 101 in San Francisco while traffic continues to flow on either side of the project.

U.S. 101 Bayshore Freeway (Hospital Curve) Median Construction, March 13, 2026

Caltrans crews prepare for the installation of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crews prepare for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crews prepare for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crews prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crews prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans uses heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans uses heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans uses heavy equipment to prepare the site for the construction of a new median barrier as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans install new drainage infrastructure as part along the median as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members place temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members use heavy equipment to place temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members set up temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members install temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members install temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

Caltrans crew members install temporary barriers as part of the US 101 Hospital Curve Rehabilitation Project on March 13, 2026.

U.S. 101 Bayshore Rehabilitation Image Gallery

Cars traveling on U.S. 101 (Hospital Curve) where the U.S. 101 Bayshore Rehabilitation Project will take place.

Cars traveling on U.S. 101 (Hospital Curve) where the U.S. 101 Bayshore Rehabilitation Project will take place.

Cars traveling on U.S. 101 (Hospital Curve) where the U.S. 101 Bayshore Rehabilitation Project will take place.

Cars traveling on U.S. 101 (Hospital Curve) where the U.S. 101 Bayshore Rehabilitation Project will take place.

Stay Informed & Plan Ahead

For updates, project maps, and detour info:
Visit: www.dot.ca.gov | Caltrans Info Line: 1-800-427-7623

Thank you for your patience as we work to improve our roads and infrastructure.

Connect With Caltrans District 4 On Social Media

#CaltransLovestheBay

Statewide Campaigns

Statewide Campaigns

Statewide Campaigns

Statewide Campaigns