California Department of Transportation

02/23/2026 | Press release | Distributed by Public on 02/23/2026 20:01

Early Morning Northbound I-280 to Southbound SR-1 Ramp Closure on February 28

Early Morning Northbound I-280 to Southbound SR-1 Ramp Closure on February 28

Published: Feb 23, 2026

San Mateo County ― Caltrans will close the northbound I-280 ramp to southbound SR-1 in the early morning hours of Saturday, February 28, from 2 a.m. to 8 a.m. Crews will repair a damaged guardrail.

Detour:Take the Junipero Serra off-ramp, turn left on Junipero Serra Blvd., turn left on San Pedro Rd., turn left on Sullivan Ave., and enter the southbound SR-1 on-ramp.

Please follow detour signs and drive with caution. All work is weather dependent.

Thank you for your patience as we work to maintain our state's highways, bridges, and tunnels.

For real-time traffic, click on Caltrans QuickMap: quickmap.dot.ca.gov/

California Department of Transportation published this content on February 23, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on February 24, 2026 at 02:01 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]