Accident Moderate Active

CHP : Flooding on I-280 Northbound at Mariposa St (San Francisco). Left lane affected. Expect delays.

Road

Area

Started

Apr 12, 1:11 PM

Last Seen

12 minutes ago

Coordinates

37.7640, -122.3925

Update History

2 observations

CHP : Flooding on I-280 Northbound at Mariposa St (San Francisco). Left lane affected. Expect delays. Apr 12, 3:00 PM

CHP : Flooding on I-280 Northbound at Mariposa St (San Francisco). Left lane affected. Expect delays. Apr 12, 2:00 PM

Source: 511_sfbay · ID 511.org/1480451 First seen Apr 12, 2026 2:00 PM