KNOXVILLE, Tenn. (WATE) — A tractor-trailer fire on I-40 East at mile marker 400 resulted in two lane closures and delayed traffic on Tuesday morning. The roadway was cleared after several hours.

The incident took place around 5:50 a.m. just before the morning rush hour. Traffic was delayed more than three miles through the area.

Tennessee Department of Transportation spokesperson Mark Nagi said crews were on scene. Drivers were urged to use caution in the area while TDOT workers assisted traffic control in cleaning up the area.

The cause of the fire has not been reported.