CA-1 S · Last 48 Hours

CA-1 S Accident Today

3 accidents on CA-1 S in the last 24 hours · 9 in 48 hours · updated April 22, 2026 11:09 AM PDT

3
Last 24h
9
Last 48h
2
High Severity
17
This Week
5
Construction
4
Accident
7-Day Trend
17 crashes
→ About the same

17 crashes in the last 7 days, about the same as the previous week (18).

Last 6 hours
3 incidents
24–48 hours ago
6 incidents
1d ago 9:15 AM
Caltrans : Roadwork on CA-1 Southbound at Capistrano Rd (El Granada). Lane closed. One way traffic control in effect. From 9:00 AM Tuesday, April 21, 2026 to 3:00 PM Tuesday, April 21, 2026.
San Mateo
1d ago 9:45 PM
CHP : Traffic Collision on CA-1 Southbound north of CA-17 N (Santa Cruz). On Ramp affected. Expect delays.
Santa Cruz
Fatal
1d ago 7:30 PM
CHP : Flooding on CA-1 Southbound north of Monterey Rd (Pacifica). Lanes affected. Expect delays.
San Mateo
Fatal
1d ago 4:30 PM
CHP : Residual delays on CA-1 Southbound at Almonte Blvd (Unincorporated). All lanes open. Expect delays.
Marin
1d ago 2:15 PM
CHP : Traffic Collision with Injuries on CA-1 Southbound north of Sharp Park Rd (Pacifica). Lane affected. Expect delays.
San Mateo
Injury
1d ago 1:45 PM
Caltrans : Roadwork on CA-1 Southbound at Bay St (Unincorporated). Lane closed until 3 PM. From 9:00 AM Monday, April 20, 2026 to 3:00 PM Monday, April 20, 2026.
San Mateo
Are accidents on CA-1 S reported live?
Yes — this page refreshes throughout the day as new incidents are logged by the California Highway Patrol. Crash data typically appears within 15–30 minutes of being reported.
How many accidents happened on CA-1 S in the last 7 days?
17 crashes were reported on CA-1 S in the last 7 days.
What type of accident is most common on CA-1 S?
Construction are the most frequently reported incident type on CA-1 S based on recent data.
Where can I see all California accidents today?
A live feed of all active crashes across California is available on the California accidents today page.
Where does this crash data come from?
Crash data is sourced from the California Highway Patrol (CHP) Computer-Aided Dispatch feed and the CCRS historical crash database. Learn more about our data sources.