🚗 Traffic · Contra Costa, CA (CHP)

Traffic Hazard

Sr4 W / San Marco Blvd Ofr

Reported Thu, 12 Nov 2026 00:02:00 UTC (4 h ago) · WB 4 JEO SAN MARCO BLVD OFR · METAL DEBRIS FROM SLOW LN

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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.