Tennessee Highway Patrol is investigating a crash on Interstate 24 westbound near Monteagle that happened around 3:15 a.m. Friday.

Two tractor trailers were involved in a collision. One of the semis caught on fire. The driver suffered a head injury.

The other tractor trailer had two people inside who sustained lacerations.

All three occupants in the trucks were taken to the hospital with minor injuries.

The left lane was closed for a few hours before sunrise. Tennessee Department of Transportation officials estimated that the road would be re-opened by 8 a.m.