CONTRA COSTA COUNTY, Calif. (KRON) — At least one person was killed during a head-on collision with a big rig Monday morning on Vasco Road near Camino Diablo in Brentwood, according to the California Highway Patrol incident page.

As of 9:47 a.m., CHP has reported that all lanes of Vasco Road have been reopened.

All northbound and southbound lanes of Vasco Road were shut down Monday morning due to the accident.