CA · Highway

CA-84 E Accidents & Crashes

CA-84 E has recorded 196 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 Oct. 27, 2026.

Breakdown by type: 27 accident, 5 construction.

32

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 E. Click a marker to view details.

Crash Records

CA-84 E Incidents 32 results

27 accident 5 construction

Caltrans : Roadwork on CA-84 Eastbound at Newark Blvd (Newark). Right lane and shoulder closed until 6 AM. From 10:00 PM Monday, October 26, 2026 to 6:00 AM Tuesday, October 27, 2026.

Alameda 1 hour, 50 minutes ago

CHP : Traffic Collision on CA-84 Eastbound east of University Ave (Menlo Park). On Ramp affected. Expect delays.

San Mateo 2 days, 12 hours ago

CHP : Traffic Collision with Injuries on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lane affected. Expect delays.

Moderate Accident

San Mateo 2 days, 15 hours ago

CHP : Traffic Hazard on CA-84 Eastbound west of Thornton Ave (Newark). Right lane affected. Expect delays.

Moderate Accident

Alameda 3 days, 21 hours ago

CHP : Traffic Collision on CA-84 Eastbound east of Thornton Ave (Newark). Lane blocked. Expect delays.

Moderate Accident

Alameda 4 days ago

CHP : Residual delays on CA-84 Eastbound west of Dumbarton Bridge - Midspan (Fremont). All lanes open. Expect delays.

Alameda 5 days, 11 hours ago

CHP : Disabled vehicle on CA-84 Eastbound at Dumbarton Bridge - Causeway (Fremont). Lane affected. Expect delays.

Alameda 5 days, 12 hours ago

CHP : Traffic Hazard on CA-84 Eastbound west of Middlefield Rd (Redwood City). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Traffic Collision with Injuries on CA-84 Eastbound and Westbound east of CA-1 (San Gregorio). Right shoulder affected. Expect delays.

Moderate Accident

San Mateo 1 week, 2 days ago

CHP : Traffic Hazard on CA-84 Eastbound at Dumbarton Bridge - Midspan (Fremont). Right lane affected. Expect delays.

Alameda 1 week, 2 days ago

CHP : Traffic Collision on CA-84 Eastbound and Westbound west of I-280 S (Woodside). All lanes blocked. Avoid the area.

San Mateo 1 week, 2 days ago

CHP : Residual delays on CA-84 Eastbound west of I-880 S (Fremont). All lanes open. Expect delays.

Alameda 1 week, 3 days ago

CHP : Traffic Hazard on CA-84 Eastbound east of Little Valley Rd (Sunol). Lanes blocked. Expect delays.

Alameda 1 week, 3 days ago

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

Alameda 1 week, 3 days ago

CHP : Traffic Hazard on CA-84 Eastbound west of I-880 N (Fremont). Right lane affected. Expect delays.

Moderate Accident

Alameda 1 week, 6 days ago

CHP : Disabled vehicle on CA-84 Eastbound west of Pleasanton Sunol Rd (Scotts Corner). Lanes blocked. Expect delays.

Alameda 2 weeks, 1 day ago

CHP : Fire on CA-84 Eastbound at Palomares Rd (Fremont). Lane affected. Expect delays.

Moderate Accident

Alameda 2 weeks, 1 day ago

CHP : Disabled vehicle on CA-84 Eastbound west of Thornton Ave (Newark). Lane affected. Expect delays.

Moderate Accident

Alameda 2 weeks, 1 day ago

Caltrans : Roadwork on CA-84 Eastbound at Vallecitos Ln (Sunol). All lanes closed until 10 AM. From 8:00 PM Saturday, October 10, 2026 to 10:00 AM Sunday, October 11, 2026.

Alameda 2 weeks, 1 day ago

CHP : Traffic Hazard on CA-84 Eastbound east of Dumbarton Bridge - Causeway (Fremont). Lane affected. Expect delays.

Alameda 2 weeks, 3 days ago

CHP : Traffic Hazard on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lane affected. Expect delays.

Moderate Accident

San Mateo 2 weeks, 5 days ago

Caltrans : Roadwork on CA-84 Eastbound at Vallecitos Ln (Sunol). Lane closed. One way traffic control in effect. From 9:00 AM Wednesday, October 07, 2026 to 1:00 PM Wednesday, October 07, 2026.

Alameda 2 weeks, 5 days ago

CHP : Traffic Hazard on CA-84 Eastbound at Dumbarton Bridge - Midspan (Fremont). Right lane blocked. Expect delays.

Alameda 2 weeks, 5 days ago

CHP : Traffic Collision on CA-84 Eastbound west of Little Valley Rd (Sunol). Right shoulder open. Expect delays.

Alameda 3 weeks, 2 days ago

Caltrans : Roadwork on CA-84 Eastbound at Vallecitos Ln (Sunol). Lane closed. One way traffic control in effect. From 7:00 AM Saturday, October 03, 2026 to 4:00 PM Saturday, October 03, 2026.

Alameda 3 weeks, 2 days ago

CHP : Traffic Collision with Injuries on CA-84 Eastbound west of Kilkare Rd (Sunol). Lane blocked. Expect delays.

Alameda 3 weeks, 3 days ago

CHP : Traffic Hazard on CA-84 Eastbound east of Dumbarton Bridge - Midspan (Fremont). Center lane affected. Expect delays.

Alameda 3 weeks, 3 days ago

CHP : Severe traffic alert and Traffic Collision with Injuries on CA-84 Eastbound west of Newark Blvd (Newark). Right lane blocked. Expect delays.

Alameda 3 weeks, 4 days ago

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

Alameda 3 weeks, 4 days ago

CHP : Traffic Hazard on CA-84 Eastbound at Dumbarton Bridge - Midspan (Fremont). Right lane blocked. Expect delays.

Alameda 3 weeks, 6 days ago

CHP : Traffic Hazard on CA-84 Eastbound west of Vallecitos Ln (Sunol). Right lane blocked. Expect delays.

Moderate Accident

Alameda 4 weeks ago

Caltrans : Roadwork on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lane closed. One way traffic control in effect. From 10:00 PM Sunday, September 27, 2026 to 5:00 AM Monday, September 28, 2026.

San Mateo 4 weeks, 1 day ago