Accident
Stale
CHP : Traffic Collision on US-101 Northbound at E Hillsdale Blvd (San Mateo). Right shoulder open. Expect delays.
A accident was reported on US-101 N near San Mateo on August 9, 2026 at 7:19 PM.
Last Updated
43 minutes ago
Aug 9, 12:30 PM
Coordinates
37.5416, -122.2851
Update History
2 observations
CHP : Traffic Collision on US-101 Northbound at E Hillsdale Blvd (San Mateo). Right shoulder open. Expect delays.
Aug 9, 12:30 PM
CHP : Traffic Collision on US-101 Northbound at E Hillsdale Blvd (San Mateo). Lane affected. Expect delays.
Aug 9, 12:15 PM
Source: 511_sfbay · ID 511.org/1533135
First seen Aug 9, 2026 12:15 PM