The Desert Sun reports ( http://mydesert.co/ToeZkS) authorities haven't released details of what led to Friday's crash on Highway 86 in Coachella that also injured another person, who had to be freed from a car.
The California Highway Patrol was alerted to the wreck at about 1:30 p.m.
At the scene, the big rig appeared to have rolled onto the back half of a Honda sedan, crushing it.
Four people declined medical treatment after the crash, which snarled traffic for hours in the Coachella Valley.
Information from: The Desert Sun, http://www.mydesert.com/