According to California Highway Patrol logs, the wreck was reported around 5:57 p.m. on westbound Altamont Pass Road just east of Greenville Road.

Livermore, CA – One person sustained minor injuries after two vehicles collided Tuesday morning near an intersection in Livermore.
According to California Highway Patrol logs, the wreck was reported around 5:57 p.m., April 28, on westbound Altamont Pass Road just east of Greenville Road.
Authorities responded to the scene to find two cars involved in the accident.
One person sustained minor injuries in the crash. It was unclear if the patient was hospitalized.
No other details were available, but an investigation is ongoing.
