CA · Highway

CA-121 Accidents & Crashes

CA-121 has recorded 112 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 0 new crashes were reported. The highest crash volumes are concentrated near Napa and Sonoma.

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. 17, 2026.

Breakdown by type: 33 construction, 29 accident.

62

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on CA-121. Click a marker to view details.

Crash Records

CA-121 Incidents 62 results

33 construction 29 accident

CHP : Traffic Collision on CA-121 Northbound west of CA-116 (Unincorporated). Right shoulder affected. Expect delays.

Moderate Accident

Sonoma 1 week, 2 days ago

CHP : Traffic Collision on CA-121 Northbound east of Wooden Valley Rd (Unincorporated). Lane blocked. Expect delays.

Napa 1 week, 3 days ago

Caltrans : Roadwork on CA-121 Northbound and Southbound at Vichy Ave (Unincorporated). Lane closed. One way traffic control in effect. From 9:00 AM Wednesday, October 14, 2026 to 3:00 PM Wednesday, October 14, 2026.

Napa 1 week, 5 days ago

Caltrans : Roadwork on CA-121 Northbound and Southbound at Vichy Ave (Unincorporated). Lane closed. One way traffic control in effect. From 9:00 AM Monday, October 12, 2026 to 3:00 PM Monday, October 12, 2026.

Napa 2 weeks ago

CHP : Traffic Collision on CA-121 Northbound at CA-116 (Unincorporated). Lane affected. Expect delays.

Moderate Accident

Sonoma 2 weeks, 4 days ago

CHP : Disabled vehicle on CA-121 Northbound at CA-29 (Napa). Lane affected. Expect delays.

Napa 3 weeks, 1 day ago

CHP : Traffic Collision on CA-121 Northbound west of Wooden Valley Rd (Unincorporated). Lane affected. Expect delays.

Napa 3 weeks, 2 days ago

CHP : Traffic Collision on CA-121 Northbound west of CA-116 (Unincorporated). Lane blocked. Expect delays.

Moderate Accident

Sonoma 3 weeks, 2 days ago

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

Sonoma 1 month ago

CHP : Traffic Collision on CA-121 Northbound north of Vichy Ave (Unincorporated). Lane affected. Expect delays.

Napa 1 month ago

CHP : Fire on CA-121 Northbound at CA-221 (Napa). Lane affected. Expect delays.

Napa 1 month ago

CHP : Traffic Collision with Injuries on CA-121 Northbound west of Wooden Valley Rd (Unincorporated). Lanes blocked. Expect delays.

Moderate Accident

Napa 1 month ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Thursday, September 17, 2026 to 6:00 PM Thursday, September 17, 2026.

Napa 1 month, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Wednesday, September 16, 2026 to 6:00 PM Wednesday, September 16, 2026.

Napa 1 month, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Tuesday, September 15, 2026 to 6:00 PM Tuesday, September 15, 2026.

Napa 1 month, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Monday, September 14, 2026 to 6:00 PM Monday, September 14, 2026.

Napa 1 month, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at CA-221 (Napa). Lane closed until 5 AM. From 10:00 PM Sunday, September 13, 2026 to 5:00 AM Monday, September 14, 2026.

Napa 1 month, 1 week ago

CHP : Traffic Collision with Injuries on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane affected. Expect delays.

Napa 1 month, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Friday, September 11, 2026 to 6:00 PM Friday, September 11, 2026.

Napa 1 month, 2 weeks ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Thursday, September 10, 2026 to 6:00 PM Thursday, September 10, 2026.

Napa 1 month, 2 weeks ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Wednesday, September 09, 2026 to 6:00 PM Wednesday, September 09, 2026.

Napa 1 month, 2 weeks ago

CHP : Traffic Collision with Injuries on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lanes blocked. Expect delays.

Moderate Accident

Napa 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-121 Southbound south of Meadowlark Ln (Unincorporated). Lane affected. Expect delays.

Moderate Accident

Sonoma 1 month, 3 weeks ago

Caltrans : Roadwork on CA-121 Northbound at Meadowlark Ln (Unincorporated). Lane closed. One way traffic control in effect. From 12:00 AM Wednesday, September 02, 2026 to 6:00 AM Wednesday, September 02, 2026.

Sonoma 1 month, 3 weeks ago

Caltrans : Roadwork on CA-121 Northbound at CA-116 (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 PM Tuesday, September 01, 2026 to 11:00 PM Tuesday, September 01, 2026.

Sonoma 1 month, 3 weeks ago

Caltrans : Roadwork on CA-121 Northbound at CA-116 (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 PM Monday, August 31, 2026 to 6:00 AM Tuesday, September 01, 2026.

Sonoma 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-121 Northbound at Trancas St (Napa). Lane affected. Expect delays.

Napa 1 month, 3 weeks ago

CHP : Residual delays on CA-121 Northbound at Trancas St (Napa). Right shoulder affected. Expect delays.

Napa 1 month, 3 weeks ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Wednesday, August 26, 2026 to 6:00 PM Wednesday, August 26, 2026.

Napa 2 months ago

CHP : Traffic Collision with Injuries on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane affected. Expect delays.

Napa 2 months ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Tuesday, August 25, 2026 to 6:00 PM Tuesday, August 25, 2026.

Napa 2 months ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Monday, August 24, 2026 to 6:00 PM Monday, August 24, 2026.

Napa 2 months ago

CHP : Traffic Collision on CA-121 Northbound at CA-221 (Napa). Right shoulder affected. Expect delays.

Napa 2 months ago

CHP : Traffic Collision on CA-121 Northbound north of Mangel Ranch Rd (Unincorporated). Right shoulder affected. Expect delays.

Sonoma 2 months ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Friday, August 21, 2026 to 6:00 PM Friday, August 21, 2026.

Napa 2 months ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Thursday, August 20, 2026 to 6:00 PM Thursday, August 20, 2026.

Napa 2 months ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Wednesday, August 19, 2026 to 6:00 PM Wednesday, August 19, 2026.

Napa 2 months, 1 week ago

CHP : Vehicle fire on CA-121 Northbound south of Vichy Ave (Unincorporated). Lane affected. Expect delays.

Napa 2 months, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Tuesday, August 18, 2026 to 6:00 PM Tuesday, August 18, 2026.

Napa 2 months, 1 week ago

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-121 Southbound north of Wooden Valley Rd (Unincorporated). Lane blocked. Expect delays.

Moderate Accident

Napa 2 months, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Monday, August 17, 2026 to 6:00 PM Monday, August 17, 2026.

Napa 2 months, 1 week ago

CHP : Traffic Hazard on CA-121 Northbound south of CA-221 (Napa). Center Divider affected. Expect delays.

Napa 2 months, 1 week ago

CHP : Traffic Collision with Injuries on CA-121 Northbound at Meadowlark Ln (Unincorporated). Lane affected. Expect delays.

Sonoma 2 months, 1 week ago

CHP : Residual delays on CA-121 Northbound north of Wooden Valley Rd (Unincorporated). Right shoulder affected. Expect delays.

Napa 2 months, 1 week ago

CHP : Disabled vehicle on CA-121 Northbound south of CA-221 (Napa). Left lane blocked. Expect delays.

Napa 2 months, 1 week ago

CHP : Traffic Hazard on CA-121 Southbound north of Mangel Ranch Rd (Unincorporated). Lane blocked. Expect delays.

Sonoma 2 months, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Friday, August 14, 2026 to 6:00 PM Friday, August 14, 2026.

Napa 2 months, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Thursday, August 13, 2026 to 6:00 PM Thursday, August 13, 2026.

Napa 2 months, 1 week ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Wednesday, August 12, 2026 to 6:00 PM Wednesday, August 12, 2026.

Napa 2 months, 2 weeks ago

Caltrans : Roadwork on CA-121 Northbound at Wooden Valley Rd (Unincorporated). Lane closed until 6 PM. From 6:00 AM Tuesday, August 11, 2026 to 6:00 PM Tuesday, August 11, 2026.

Napa 2 months, 2 weeks ago