CA · County

Walnut Car Accidents & Crashes

Walnut County has recorded 2,159 traffic crashes since 2024, including 12 fatal incidents. In the last 24 hours, 0 new crashes were reported. Crash volume is highest on I-680 N/B and I-680 S/B.

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 May 19, 2026.

Breakdown by type: 74 accident.

74

Total Crashes

Filtered results

12

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 47 incidents with location data · click a marker to view details

Crash Records

Walnut Incidents 74 results

74 accident

Injury crash — 3 injured, rear-end on I-680 N/B

I-680 N/B 1 month, 1 week ago

Injury crash — 3 injured on INTERSTATE 680 NORTHBOUND

INTERSTATE 680 NORTHBOUND 1 month, 2 weeks ago

Injury crash — 4 injured — hit and run on I-680 S/B

I-680 S/B 1 month, 2 weeks ago

Injury crash — 4 injured, head-on on GRAND AVENUE

GRAND AVENUE 1 month, 4 weeks ago

Injury crash — 3 injured on I-680 SOUTHBOUND

I-680 SOUTHBOUND 1 month, 4 weeks ago

Injury crash — 3 injured on RUDGEAR RD

RUDGEAR RD 1 month, 4 weeks ago

Injury crash — 4 injured, broadside on GRAND AV

GRAND AV 2 months ago

Injury crash — 3 injured, rear-end — hit and run on I-680 NB

I-680 NB 2 months, 3 weeks ago

Injury crash — 3 injured, rear-end on I-680 N/B

I-680 N/B 3 months ago

Injury crash — 6 injured, broadside on I-680 S/B

I-680 S/B 3 months, 1 week ago

Injury crash — 3 injured on I-680 S/B

I-680 S/B 3 months, 1 week ago

Injury crash — 3 injured, rear-end on CREEKSIDE DR

CREEKSIDE DR 3 months, 1 week ago

Injury crash — 3 injured, rear-end on I-680 N/B

I-680 N/B 4 months ago

Injury crash — 4 injured, broadside on CASTLE ROCK RD

CASTLE ROCK RD 4 months ago

Injury crash — 3 injured, broadside on I-680 SOUTHBOUND

I-680 SOUTHBOUND 4 months, 3 weeks ago

Injury crash — 4 injured, rear-end on OLYMPIC BL

OLYMPIC BL 5 months, 1 week ago

Injury crash — 3 injured, broadside on GOLDEN RAIN RD

GOLDEN RAIN RD 6 months, 2 weeks ago

Injury crash — 3 injured, rear-end on I-680 SB

I-680 SB 6 months, 3 weeks ago

Injury crash — 3 injured, rear-end — bicycle involved on YGNACIO VALLEY RD

YGNACIO VALLEY RD 6 months, 3 weeks ago

Injury crash — 4 injured, broadside on I-680 NORTHBOUND

I-680 NORTHBOUND 7 months, 3 weeks ago

Injury crash — 3 injured, rear-end on I-680 S/B

I-680 S/B 7 months, 4 weeks ago

Injury crash — 4 injured, rear-end on I-680 NB

I-680 NB 8 months ago

Injury crash — 3 injured on I-680 SOUTHBOUND TO TREAT BOULEVARD

I-680 SOUTHBOUND TO TREAT BOULEVARD 8 months, 3 weeks ago

Injury crash — 3 injured on S MAIN ST

S MAIN ST 9 months ago

Fatal crash — 1 killed, head-on on YGNACIO VALLEY RD

YGNACIO VALLEY RD 9 months, 2 weeks ago

Injury crash — 3 injured, rear-end on I-680 NORTHBOUND

I-680 NORTHBOUND 10 months, 3 weeks ago

Injury crash — 4 injured, broadside on YGNACIO VALLEY RD

YGNACIO VALLEY RD 10 months, 3 weeks ago

Fatal crash — 1 killed on YGNACIO VALLEY RD

YGNACIO VALLEY RD 10 months, 4 weeks ago

Fatal crash — 1 killed, rear-end on I-680 N/B

I-680 N/B 11 months, 3 weeks ago

Injury crash — 3 injured, rear-end on BANCROFT RD

BANCROFT RD 1 year ago

Fatal crash — 1 killed, head-on on I-680 NB FROM SR-24 EB

I-680 NB FROM SR-24 EB 1 year ago

Injury crash — 3 injured, rear-end — hit and run on I-680 N/B

I-680 N/B 1 year, 2 months ago

Injury crash — 3 injured, rear-end on I-680 S/B

I-680 S/B 1 year, 2 months ago

Injury crash — 3 injured, broadside on N MAIN ST

N MAIN ST 1 year, 3 months ago

Injury crash — 3 injured, rear-end — hit and run on I-680 NB

I-680 NB 1 year, 3 months ago

Injury crash — 3 injured, broadside on YGNACIO VALLEY RD

YGNACIO VALLEY RD 1 year, 3 months ago

Injury crash — 3 injured on S MAIN ST

S MAIN ST 1 year, 4 months ago

Fatal crash — 1 killed — hit and run on NEWELL AV

NEWELL AV 1 year, 4 months ago

Fatal crash — 1 killed — pedestrian involved on YGNACIO VALLEY RD

YGNACIO VALLEY RD 1 year, 5 months ago

Injury crash — 3 injured, rear-end on TREAT BL

TREAT BL 1 year, 5 months ago

Injury crash — 3 injured, head-on on N MAIN ST

N MAIN ST 1 year, 5 months ago

Injury crash — 6 injured, rear-end on I-680 N/B

I-680 N/B 1 year, 6 months ago

Injury crash — 3 injured, rear-end on VALLEY BLVD

VALLEY BLVD 1 year, 6 months ago

Injury crash — 3 injured, rear-end on LAWRENCE WY

LAWRENCE WY 1 year, 6 months ago

Injury crash — 3 injured, rear-end on AMAR RD

AMAR RD 1 year, 6 months ago

Injury crash — 4 injured, rear-end on I680 N/B

I680 N/B 1 year, 6 months ago

Injury crash — 3 injured, broadside on AMAR ST

AMAR ST 1 year, 7 months ago

Injury crash — 3 injured, rear-end on I-680 NB

I-680 NB 1 year, 7 months ago

Injury crash — 3 injured, broadside on YGNACIO VALLEY RD

YGNACIO VALLEY RD 1 year, 7 months ago

Injury crash — 4 injured, rear-end on MAIN ST

MAIN ST 1 year, 8 months ago