KNOXVILLE, Tenn. (WVLT) Traffic is backed up four miles on I-40 westbound and two miles on I-640 after two cars collided on I-40 just west of I-640 on Saturday.
It happened just before 1 p.m. Officers found a Honda Accord underneath the trailer of a semi.
The driver of the Accord was transported to UT Medical Center.
Police are still investigating. They haven't released any names.