CA · Highway

CA-84 W Accidents & Crashes

CA-84 W has recorded 77 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 1 new crash were reported. The highest crash volumes are concentrated near Alameda and San Mateo.

Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. Records include crash severity, injury data, vehicle information, and precise geographic coordinates. Last updated June 11, 2026.

Breakdown by type: 22 accident.

22

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

1

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on CA-84 W. Click a marker to view details.

Crash Records

CA-84 W Incidents 22 results

22 accident

CHP : Grass fire on CA-84 Westbound exiting at Thornton Ave (Newark). Off Ramp affected. Expect delays.

Alameda 8 hours, 15 minutes ago

CHP : Traffic Hazard on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Lanes blocked. Expect delays.

Alameda 1 week ago

CHP : Disabled vehicle on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Right lane blocked. Expect delays.

Alameda 1 week, 1 day ago

CHP : Traffic Hazard on CA-84 Westbound east of Dumbarton Bridge - Midspan (Fremont). Left and center lanes blocked. Expect delays.

Alameda 2 weeks, 1 day ago

CHP : Disabled vehicle on CA-84 Westbound east of Dumbarton Bridge - Midspan (Fremont). 2nd lane from the left blocked. Expect delays.

Alameda 2 weeks, 2 days ago

CHP : High winds on CA-84 Eastbound and Westbound between Dumbarton Bridge - Toll Plaza (Fremont) and University Ave (Menlo Park). Lanes affected. Traffic advisory in effect.

Alameda 2 weeks, 3 days ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Right lane affected. Expect delays.

Alameda 3 weeks ago

CHP : Traffic Hazard on CA-84 Westbound at Dumbarton Bridge - Toll Plaza (Fremont). Lane affected. Expect delays.

San Mateo 3 weeks, 4 days ago

CHP : Traffic Collision with Injuries on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Right shoulder affected. Expect delays.

San Mateo 3 weeks, 4 days ago

CHP : Disabled vehicle on CA-84 Westbound east of Dumbarton Bridge - Midspan (Fremont). Lane affected. Expect delays.

Alameda 3 weeks, 4 days ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Midspan (Fremont). Lane blocked. Expect delays.

Alameda 1 month ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Lane affected. Expect delays.

San Mateo 1 month, 1 week ago

CHP : Disabled vehicle on CA-84 Westbound at Dumbarton Bridge - Toll Plaza (Fremont). Lane affected. Expect delays.

San Mateo 1 month, 1 week ago

CHP : Traffic Hazard on CA-84 Westbound at CA-35 (Woodside). Lanes blocked. Expect delays.

San Mateo 1 month, 1 week ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Lane blocked. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision with Injuries on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Lane affected. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision on CA-84 Westbound east of Dumbarton Bridge - Midspan (Fremont). Lane affected. Expect delays.

Alameda 1 month, 2 weeks ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Lanes blocked. Expect delays.

Alameda 1 month, 3 weeks ago

CHP : Fire on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Lane affected. Expect delays.

Alameda 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Right lane affected. Expect delays.

Alameda 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). 3rd lane from the left affected. Expect delays.

Alameda 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Lane blocked. Expect delays.

Alameda 2 months ago