A 36-year-old woman was killed when the vehicle she was driving rear-ended a big rig Sunday on the San Bernardino (10) Freeway in Baldwin Park.

The crash occurred at about 4:15 a.m. on the westbound freeway at Frazier Street, the California Highway Patrol reported.

The 2011 Hyundai rear-ended the 2013 Freightliner due to unsafe speed for the traffic conditions, officials said. The woman driving the Hyundai was a resident of Los Angeles and was pronounced dead at the scene. The big rig driver was not injured.

A representative from the Los Angeles County coroner’s office was called to the location at 4:43 a.m.

The CHP’s Baldwin Park area office urged anyone with information regarding the crash to call them at 626-338-1164.

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