Accident
High Severity
Resolved
CHP : Traffic Hazard on I-280 Southbound ramp to CA-84 W (Woodside). On Ramp affected. Expect delays.
A high-severity accident was reported on I-280 S near San Mateo on June 16, 2026 at 10:49 PM.
Last Updated
13 hours, 48 minutes ago
Jun 16, 5:15 PM
Resolved
Jun 16, 11:30 PM
Coordinates
37.4376, -122.2463
Update History
3 observations
CHP : Traffic Hazard on I-280 Southbound ramp to CA-84 W (Woodside). On Ramp affected. Expect delays.
Jun 16, 5:15 PM
CHP : Traffic Hazard on I-280 Southbound ramp to CA-84 W (Woodside). On Ramp affected. Expect delays.
Jun 16, 4:30 PM
CHP : Traffic Hazard on I-280 Southbound ramp to CA-84 W (Woodside). Center lane affected. Expect delays.
Jun 16, 4:15 PM
Source: 511_sfbay · ID 511.org/1509097
First seen Jun 16, 2026 4:15 PM