CaliCrash
Crash Map
Counties
Highways
Last 48h
View All →
Crash Map
Counties
Highways
Last 48h
View All Incidents
Home
/
California
/
Contra Costa
/
Incident
Accident
High
Stale
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of I-680 N (Martinez). Right lanes blocked. Expect delays.
Road
CA-4 E
Area
Contra Costa
Started
Apr 12, 12:23 PM
Last Seen
1 hour, 21 minutes ago
Coordinates
37.9946, -122.0694
Update History
3 observations
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of I-680 N (Martinez). Right lanes blocked. Expect delays.
Apr 12, 12:45 PM
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of I-680 N (Martinez). Lane open. Expect delays.
Apr 12, 12:30 PM
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of I-680 N (Martinez). Lanes blocked. Expect delays.
Apr 12, 12:15 PM
Source: 511_sfbay · ID 511.org/1480401
First seen Apr 12, 2026 12:15 PM
← All California Incidents
More in Contra Costa
More on CA-4 E
🛣 Same Road
See all
CHP : Residual delays on CA-4 Eastbound exiting at Arnold I…
Accident
1 hour, 21 minutes ago
CHP : Traffic Hazard on CA-4 Eastbound east of Port Chicago…
Accident
2 hours, 6 minutes ago
CHP : Traffic Collision on CA-4 Eastbound east of CA-242 N …
Accident
2 hours, 51 minutes ago
CHP : Traffic Collision on CA-4 Eastbound south of CA-242 N…
Accident
3 hours, 36 minutes ago
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pit…
Accident
14 hours, 36 minutes ago
📍 Contra Costa
See all
Caltrans : Long-term construction on I-80 Westbound exiting…
Construction
6 minutes ago
CHP : Traffic Collision on CA-24 Eastbound west of Pleasant…
Accident
36 minutes ago
CHP : Flooding on CA-24 Eastbound at ST Stephens Dr (Orinda…
Accident
36 minutes ago
CHP : Traffic Collision on CA-24 Westbound east of Caldecot…
Accident
1 hour, 6 minutes ago
CHP : Traffic Collision on I-680 Southbound north of Oak Pa…
Accident
1 hour, 6 minutes ago
🗺 Nearby Incidents
Caltrans : Long-term construction on I-80 Eastbound exiting…
Construction
San Francisco · 6 minutes ago
Caltrans : Long-term construction on I-80 Westbound exiting…
Construction
Contra Costa · 6 minutes ago
CHP : High winds on I-580 Eastbound and Westbound between S…
Accident
Alameda · 6 minutes ago
CHP : Flooding on US-101 Northbound area of Market St (San …
Accident
San Francisco · 6 minutes ago
CHP : Flooding on I-380 Eastbound ramp to US-101 N (South S…
Accident
San Mateo · 6 minutes ago
CHP : Flooding on I-80 Eastbound west of 7TH St (San Franci…
Accident
San Francisco · 6 minutes ago
Explore More
← Home
All California Incidents
Today's Incidents
Contra Costa Incidents
CA-4 E Incidents