CA · Highway

CA-84 W Accidents & Crashes

CA-84 W has recorded 15 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.

Breakdown by type: 6 accident, 3 construction.

9
Total Crashes
Filtered results
0
Fatalities
Fatal injury reports
1
Today
Reported since midnight

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

✕ Clear filters
Crash Records

CA-84 W Incidents 9 results

6 accident 3 construction
CHP : Traffic Collision on CA-84 Westbound east of Dumbarton Bridge - Midspan (Fremont). Lane affected. Expect delays.
High Accident
Alameda 5 hours, 27 minutes ago
CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Lanes blocked. Expect delays.
High Accident
Alameda 2 days, 4 hours ago
CHP : Fire on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Lane affected. Expect delays.
High Accident
Alameda 3 days, 13 hours ago
CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Right lane affected. Expect delays.
High Accident
Alameda 4 days, 17 hours ago
Caltrans : Roadwork on CA-84 Westbound at Paseo Padre Pky (Fremont). Lane closed until 7 AM. From 3:00 AM Friday, April 17, 2026 to 7:00 AM Friday, April 17, 2026.
Construction
Alameda 5 days, 6 hours ago
CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). 3rd lane from the left affected. Expect delays.
High Accident
Alameda 6 days, 4 hours ago
Caltrans : Roadwork on CA-84 Westbound at Blacow Rd (Fremont). Lane closed until 6 AM. From 3:00 AM Thursday, April 16, 2026 to 6:00 AM Thursday, April 16, 2026.
Construction
Alameda 6 days, 7 hours ago
Caltrans : Roadwork on CA-84 Westbound at Dumbarton Bridge - Midspan (Fremont). Lane closed until 6 AM. From 3:00 AM Thursday, April 16, 2026 to 6:00 AM Thursday, April 16, 2026.
Construction
Alameda 6 days, 7 hours ago
CHP : Traffic Hazard on CA-84 Westbound west of Ardenwood Blvd (Newark). Right lane affected. Expect delays.
Moderate Accident
Alameda 6 days, 17 hours ago