Accident
Moderate Severity
Stale
CHP : Traffic Collision on I-280 Southbound north of Sand Hill Rd (Menlo Park). Left lanes blocked. Expect delays.
A injury accident was reported on I-280 S near San Mateo on July 30, 2026 at 3:49 PM.
Last Updated
2 hours, 26 minutes ago
Jul 30, 9:30 AM
Coordinates
37.4314, -122.2386
Update History
2 observations
CHP : Traffic Collision on I-280 Southbound north of Sand Hill Rd (Menlo Park). Left lanes blocked. Expect delays.
Jul 30, 9:15 AM
CHP : Traffic Collision on I-280 Southbound north of Sand Hill Rd (Menlo Park). Left lanes blocked. Expect delays.
Jul 30, 9:00 AM
Source: 511_sfbay · ID 511.org/1528436
First seen Jul 30, 2026 9:00 AM