Accident
High Severity
Resolved
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Center lanes blocked. Expect delays.
A high-severity accident was reported on US-101 N near San Mateo on August 12, 2026 at 1:32 AM.
Last Updated
2 months, 2 weeks ago
Aug 11, 9:15 PM
Coordinates
37.4934, -122.2233
Update History
7 observations
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Center lanes blocked. Expect delays.
Aug 11, 8:45 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Center lanes blocked. Expect delays.
Aug 11, 8:30 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Center lanes blocked. Expect delays.
Aug 11, 8:15 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Right and center lanes blocked. Expect delays.
Aug 11, 8:00 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Right and center lanes blocked. Expect delays.
Aug 11, 7:00 PM
CHP : Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Center lane blocked. Expect delays.
Aug 11, 6:45 PM
CHP : Traffic Collision with Injuries on US-101 Northbound south of Whipple Ave (Redwood City). Lane affected. Expect delays.
Aug 11, 6:30 PM
Source: 511_sfbay · ID 511.org/1534185
First seen Aug 11, 2026 6:30 PM