A crash involving three vehicles, including a tractor trailer, closed lanes of westbound Interstate 40 at the Davidson/Wilson County line.
The incident was reported shortly before noon Thursday at mile marker 222, near Old Hickory Boulevard.
Details of the crash were unclear, including possible injuries.
At least three vehicles were involved. One semi rolled over onto its side and initially blocked two lanes of traffic.
The crash caused a significant delay. By Thursday afternoon, only the right lane remained block.
TDOT said the wreck was cleared around 6 p.m.