VIDEO: Knoxville officials reported a tractor-trailer fire on Interstate 40 East near mile marker 373 and Campbell Station. The fire was reported around 6:40 a.m. Wednesday and left the right lane completely blocked. The scene of the incident is expected to be cleared by 8 a.m. Due to the incident, high traffic volumes are being reported on I-40 East. Westbound traffic is experiencing no delays. Traffic is expected to be cleared by 8:15 a.m.