U.S. 101 (Hospital Curve) Overnight Ramp Closures-San Francisco

January 5 – January 9, 2026

San Francisco County — As part of the ongoing U.S. 101 (Hospital Curve) Rehabilitation Project, Caltrans will implement temporary overnight ramp closures to facilitate active construction work in the corridor, from January 5-January 9, 2026.

The closures are required to safely perform roadway rehabilitation activities previously announced as part of a project to improve pavement conditions and safety features on the U.S. 101.

Ramp Closure Schedule

Monday, January 5 – Thursday, January 8

• NB U.S. 101 to WB Cesar Chavez / Potrero Avenue on-ramp: 8:00 p.m. – 9:00 a.m.
• NB U.S. 101 Vermont Street Connector off-ramp: 10:00 p.m. – 6:00 a.m.
• SB U.S. 101 Cesar Chavez / Bayshore Boulevard off-ramp: 9:00 p.m. – 5:00 a.m.

Friday, January 9

• NB U.S. 101 to WB Cesar Chavez / Potrero Avenue on-ramp: 9:00 p.m. – 7:00 a.m.
• NB U.S. 101 Vermont Street Connector off-ramp: 10:00 p.m. – 6:00 a.m.
• SB U.S. 101 Cesar Chavez / Bayshore Boulevard off-ramp: 9:00 p.m. – 5:00 a.m.

Motorists should expect nighttime delays, follow posted detours, and allow extra travel time.

Weather Note: Ramp closures are weather dependent and will be postponed in the event of rain.

Stay Informed

• Website updates: www.sfhighwayprojects.com
• Social media alerts: @CaltransD4 (Twitter/X, Facebook, Instagram)
• Community contact: (510) 406-9908 | info@sfhighwayprojects.com

For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.