The California Highway Patrol is investigating an accident that shut down one lane of Highway 86 Thursday.

The accident was reported at about 11:45 a.m. Thursday at Highway 86 north of Barth Road near Westmorland. A truck was reported fully engulfed in flames. The driver was able to escape from the vehicle with out injury . One southbound lane of the state highway was closed until about 8:30 p.m. while crews cleaned up the wreckage. Clean up crews were expected to finish the job Friday morning.