Accident
High Severity
Active
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Center lanes blocked. Expect delays.
A high-severity accident was reported on US-101 N near San Mateo on November 6, 2026 at 2:10 PM.
Last Updated
7 minutes ago
Nov 6, 7:15 AM
Coordinates
37.5377, -122.2814
Update History
2 observations
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Center lanes blocked. Expect delays.
Nov 6, 6:45 AM
CHP : Traffic Collision with Injuries on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Right lanes blocked. Expect delays.
Nov 6, 6:15 AM
Source: 511_sfbay · ID 511.org/1573814
First seen Nov 6, 2026 6:15 AM