🚗 Traffic · Contra Costa FSP, CA (CHP)

Traffic Hazard

Sr4 W / San Marco Blvd N Onr

Reported Fri, 30 Oct 2026 22:53:00 UTC (3 d ago) · WB 4 JEO SAN MARCO BLVD · [Notification] [CHP]-Problem changed from 1125-Traffic Hazard to 1182-Trfc Collision-No Inj by CHP

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Source: California Highway Patrol incidents. This is what the agency published; it is not confirmed by us, and the location of a dispatch is often a block or an intersection, not an exact address.