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

Published:

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.

Detour map for the closure of the ramp from northbound I-280 to southbound State Route 1. Motorists should 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/