LIVERMORE (CBS SF) — A man who was killed after his car collided with an Altamont Corridor Express train in Livermore on Monday morning was identified by the Alameda County coroner on Tuesday as 20-year-old Minseok Bu of Pleasanton.

Bu’s car collided with the train at Junction Avenue near Old First Street shortly before 8 a.m. on Monday, according to the Livermore-Pleasanton Fire Department.

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Bu was the only person in his car and died at the scene, authorities said.

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No injuries were reported on the ACE train. The cause of the collision is still under investigation.

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