SAN MATEO COUNTY, Calif. (BCN) — All southbound lanes of Interstate 280 near Sneath Lane in San Mateo County reopened at 4:05 a.m. after several hours of closures following a fatal traffic collision.

Several southbound lanes were blocked by the wreck, and then by traffic controls set up by the California Highway Patrol following the collision at 1:08 a.m. A black Honda Accord overturned in the right-hand shoulder of the Interstate, according to CHP.

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One person was pronounced dead at the scene. The cause of the collision is under investigation.

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