California Department of Transportation
04/06/2026 | Press release | Distributed by Public on 04/06/2026 11:15
Early Morning Northbound I-280 to Southbound SR-1 Ramp Closure on April 7
Early Morning Northbound I-280 to Southbound SR-1 Ramp Closure on April 7
Published: Apr 06, 2026
Ramp will be closed from 1 a.m. to 7 a.m. Tuesday morning
San Mateo County ― Caltrans will close the northbound I-280 ramp to southbound State Route 1 (SR-1) in the early morning hours of Tuesday, April 7, from 1 a.m. to 7 a.m. Crews will perform emergency drainage repairs.
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 April 06, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on April 06, 2026 at 17:15 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 If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]