REOPENED: Weekend Northbound I-280 Freeway Project Completed!

All Lanes Open

San Francisco County — Caltrans has successfully completed the weekend freeway work on northbound Interstate 280 (NB I‑280) between Mariposa Street and the I‑280/US 101 Interchange, conducted October 2–5. Crews installed approximately two miles of polyester concrete on lanes 1 and 2, enhancing long‑term pavement durability and improving ride quality for motorists.

All lanes reopened at 4:02 a.m. this morning, nearly an hour ahead of schedule. This work is part of the broader I‑280 Rehabilitation and Pedestrian Overcrossing Project. To learn more about this and other San Francisco highway improvements, visit sfhighwayprojects.com.

Driver Community Benefits of Completed Work

• Freeway corridor is now preserved with long-term pavement durability.
• Ride quality and driving comfort are improved.
• Overall freeway safety is enhanced.

Stay Informed
For the latest updates visit sfhighwayprojects.com where Caltrans will continue to provide updates as schedules are confirmed. Motorists should check back regularly for the latest construction information, traffic impacts, and detour details.

Thank you for your patience and cooperation.