SUISUN CITY (CBS SF) – One person was killed in a big-rig crash on westbound state Highway 12 in Suisun City early Tuesday morning, according to the California Highway Patrol.

Officers are still at the scene of the crash, which occurred when one big-rig rear-ended another on Highway 12 near Emperor Drive, CHP Sgt. Jason Hekker said.

The crash was reported shortly after 5 a.m., a Suisun City police dispatcher said.

All lanes of westbound Highway 12 in Suisun City were closed between Walters Road and Emperor Drive, according to Suisun City police.

One of the trucks involved in the crash had a Producers Dairy logo, Hekker said.

Authorities were estimating that the westbound lanes would be cleared around noon, Hekker said.

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