Accident
Moderate Severity
Stale
CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays.
A injury accident was reported on I-280 N near San Mateo on May 22, 2026 at 1:28 AM.
Last Updated
3 hours, 32 minutes ago
May 21, 6:45 PM
Coordinates
37.4076, -122.1904
Update History
2 observations
CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays.
May 21, 6:30 PM
CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). 2nd lane from the left affected. Expect delays.
May 21, 6:15 PM
Source: 511_sfbay · ID 511.org/1497956
First seen May 21, 2026 6:15 PM