A driver died after colliding with a big rig on the 10 Freeway in Pomona early Thursday morning. authorities said.
The vehicles crashed in the westbound lanes of the roadway near Kellogg Drive just before 1 a.m.
The driver of the Honda died at the scene, according to the California Highway Patrol.
It was not immediately clear if the driver of the big rig was injured, or whether there were any passengers in the Honda.
Several westbound lanes of the freeway were closed and traffic was diverted to the southbound 57 Freeway for around three hours.
The crash was being investigated by the CHP.