CA · County

Sonoma Car Accidents & Crashes

Sonoma County has recorded 2,453 traffic crashes since 2024, including 1 fatal incidents. In the last 24 hours, 11 new crashes were reported. Crash volume is highest on US-101 S and US-101 N.

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. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated Oct. 27, 2026.

Breakdown by type: 299 accident.

299

Total Crashes

Filtered results

1

Fatalities

Fatal injury reports

1

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 296 incidents with location data · click a marker to view details

Crash Records

Sonoma Incidents 299 results

299 accident

CHP : Traffic Hazard on US-101 Southbound at CA-12 W (Santa Rosa). Off Ramp affected. Expect delays.

US-101 S 12 hours, 20 minutes ago

CHP : Residual delays on CA-37 Westbound north of Lakeville Hwy (Unincorporated). Right shoulder affected. Expect delays.

CA-37 W 22 hours, 50 minutes ago

CHP : Traffic Hazard on US-101 Northbound south of Mendocino Ave (Santa Rosa). Center lanes affected. Expect delays.

US-101 N 1 day, 16 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Mark West Springs Rd (Unincorporated). Left and center lanes affected. Expect delays.

US-101 N 3 days, 17 hours ago

CHP : Disabled vehicle on CA-37 Eastbound at CA-121 (Unincorporated). Lane blocked. Expect delays.

CA-37 E 4 days ago

CHP : Traffic Hazard on US-101 Southbound north of Rohnert Park Expy W (Rohnert Park). Lanes blocked. Expect delays.

US-101 S 4 days, 12 hours ago

CHP : Traffic Hazard on US-101 Southbound south of Shiloh Rd (Windsor). Lanes affected. Expect delays.

US-101 S 4 days, 17 hours ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of Mendocino Ave (Santa Rosa). Left and center lanes blocked. Expect delays.

US-101 S 4 days, 22 hours ago

CHP : Disabled vehicle on CA-12 Westbound ramp to US-101 N (Santa Rosa). Connector ramp blocked. Expect delays.

CA-12 W 5 days, 13 hours ago

CHP : Fire on CA-12 Eastbound ramp to US-101 S (Santa Rosa). Connector ramp affected. Expect delays.

CA-12 E 5 days, 23 hours ago

CHP : Traffic Collision on US-101 Northbound at W Sierra Ave (Cotati). Off Ramp affected. Expect delays.

US-101 N 6 days, 4 hours ago

CHP : Traffic Hazard on US-101 Southbound south of Hearn Ave (Santa Rosa). Left and center lanes blocked. Expect delays.

US-101 S 6 days, 18 hours ago

CHP : Traffic Hazard on US-101 Southbound entering at W Sierra Ave (Cotati). On Ramp blocked. Expect delays.

US-101 S 1 week, 1 day ago

CHP : Traffic Collision on US-101 Southbound north of Rohnert Park Expy W (Rohnert Park). Center lanes blocked. Expect delays.

US-101 S 1 week, 1 day ago

CHP : Traffic Collision on US-101 Northbound at Rohnert Park Expy (Rohnert Park). On Ramp affected. Expect delays.

US-101 N 1 week, 1 day ago

CHP : Traffic Collision with Injuries on CA-1 Northbound east of Valley Ford Freestone Rd (Valley Ford). Lane affected. Expect delays.

CA-1 N 1 week, 2 days ago

CHP : Traffic Hazard on US-101 Southbound north of Westside Rd (Healdsburg). Lanes affected. Expect delays.

US-101 S 1 week, 3 days ago

CHP : Traffic Collision on US-101 Northbound south of Baker Ave (Santa Rosa). Right and center lanes blocked. Expect delays.

US-101 N 1 week, 3 days ago

CHP : Traffic Hazard on US-101 Southbound north of Windsor River Rd (Windsor). Lanes affected. Expect delays.

US-101 S 1 week, 4 days ago

CHP : Traffic Collision on US-101 Northbound south of Mendocino Ave (Santa Rosa). Left lanes blocked. Expect delays.

US-101 N 1 week, 5 days ago

CHP : Traffic Hazard on US-101 Southbound entering at Shiloh Rd (Windsor). On Ramp affected. Expect delays.

US-101 S 1 week, 6 days ago

CHP : Traffic Collision on US-101 Northbound south of Old Redwood Hwy (petaluma) (Petaluma). Center lanes blocked. Expect delays.

US-101 N 1 week, 6 days ago

CHP : Traffic Hazard on CA-37 Westbound east of Noble Rd (Sonoma). Lanes affected. Expect delays.

CA-37 W 1 week, 6 days ago

CHP : Traffic Hazard on US-101 Northbound south of Dry Creek Rd (Healdsburg). Lanes affected. Expect delays.

US-101 N 2 weeks ago

CHP : Traffic Collision on CA-37 Eastbound east of Noble Rd (Sonoma). Right shoulder affected. Expect delays.

CA-37 E 2 weeks, 2 days ago

CHP : Brush fire on US-101 Southbound south of N Cloverdale Blvd (Cloverdale). Off Ramp affected. Expect delays.

US-101 S 2 weeks, 2 days ago

CHP : Traffic Hazard on US-101 Southbound north of Mendocino Ave (Santa Rosa). Right and center lanes blocked. Expect delays.

US-101 S 2 weeks, 4 days ago

CHP : Traffic Collision with Injuries on US-101 Southbound north of Petaluma Blvd S (Petaluma). Lanes blocked. Expect delays.

US-101 S 2 weeks, 5 days ago

CHP : Traffic Hazard on US-101 Northbound exiting at Theresa Dr (Cloverdale). Off Ramp blocked. Expect delays.

US-101 N 2 weeks, 5 days ago

CHP : Severe traffic alert and Traffic Collision with Injuries and Fire on CA-116 Westbound between Adobe Rd (Unincorporated) and Arnold Dr (Unincorporated). All lanes blocked. Avoid the area.

CA-116 2 weeks, 6 days ago

CHP : Traffic Collision on CA-37 Westbound north of Lakeville Hwy (Unincorporated). Lane blocked. Expect delays.

CA-37 W 2 weeks, 6 days ago

CHP : Traffic Hazard on US-101 Southbound south of Hearn Ave (Santa Rosa). Left lanes blocked. Expect delays.

US-101 S 2 weeks, 6 days ago

CHP : Spill on US-101 Southbound entering at Wilfred Ave (Rohnert Park). Center lanes affected. Expect delays.

US-101 S 2 weeks, 6 days ago

CHP : Traffic Hazard on US-101 Southbound south of Petaluma Blvd N (Petaluma). Center lanes affected. Expect delays.

US-101 S 2 weeks, 6 days ago

CHP : Disabled vehicle on CA-1 Northbound south of Gravenstein Hwy (Valley Ford). Lane affected. Expect delays.

CA-1 N 3 weeks ago

CHP : Traffic Hazard on US-101 Southbound north of Gravenstein Hwy (Cotati). Right lanes blocked. Expect delays.

US-101 S 3 weeks ago

CHP : Disabled vehicle on US-101 Southbound exiting at Steele Ln (Santa Rosa). Off Ramp blocked. Expect delays.

US-101 S 3 weeks, 1 day ago

CHP : Traffic Hazard on US-101 Southbound entering at Bicentennial Way (Santa Rosa). On Ramp affected. Expect delays.

US-101 S 3 weeks, 1 day ago

CHP : Residual delays on US-101 Southbound entering at Petaluma Blvd S (Petaluma). On Ramp affected. Expect delays.

US-101 S 3 weeks, 2 days ago

CHP : Traffic Hazard on US-101 Northbound at Shiloh Rd (Windsor). Off Ramp affected. Expect delays.

US-101 N 3 weeks, 2 days ago

CHP : Traffic Hazard on US-101 Southbound north of Steele Ln (Santa Rosa). Left lanes affected. Expect delays.

US-101 S 3 weeks, 4 days ago

CHP : Disabled vehicle on CA-37 Eastbound east of Lakeville Hwy (Unincorporated). Lane blocked. Expect delays.

CA-37 E 3 weeks, 6 days ago

CHP : Disabled vehicle on CA-37 Westbound east of Lakeville Hwy (Unincorporated). 2nd lane from the left blocked. Expect delays.

CA-37 W 4 weeks ago

CHP : Traffic Hazard on US-101 Southbound north of Petaluma Blvd S (Petaluma). Lanes affected. Expect delays.

US-101 S 4 weeks ago

CHP : Traffic Collision on US-101 Northbound entering at Airport Blvd (Santa Rosa). On Ramp affected. Expect delays.

US-101 N 4 weeks ago

CHP : Traffic Hazard on US-101 Northbound south of W Railroad Ave (Cotati). Lanes blocked. Expect delays.

US-101 N 4 weeks ago

CHP : Traffic Collision on CA-37 Eastbound east of Noble Rd (Sonoma). Lane affected. Expect delays.

CA-37 E 4 weeks, 1 day ago

CHP : Traffic Collision with Injuries on CA-37 Westbound at CA-121 (Unincorporated). Lane blocked. Expect delays.

CA-37 W 1 month ago

CHP : Traffic Hazard on US-101 Southbound north of N Cloverdale Blvd (Cloverdale). Lanes blocked. Expect delays.

US-101 S 1 month ago

CHP : Traffic Collision with Injuries on CA-121 Northbound at De Mattos Rd (Unincorporated). Right shoulder affected. Expect delays.

CA-121 1 month ago