Burns, TN (August 28, 2026) – A multi-vehicle wreck near mile marker 174 on westbound I-40 caused a lengthy backup Wednesday afternoon, Agusut 26 with traffic extending for miles into the Fairview area near Kingston Springs Road, according to the Tennessee Department of Transportation. The crash was reported shortly before 2:30 p.m.
Details about the vehicles involved and any injuries were not immediately available.
Why Can a Single Crash Cause Backups That Stretch for Miles?
Once traffic behind a crash comes to a stop, each additional vehicle joining the back of the line extends the queue further, even if the actual crash site is relatively contained. On a highway carrying steady traffic, this effect can compound quickly, especially if the crash happens during a busier part of the day.
Limited alternate routes can make this worse in areas where a highway serves as the primary corridor between towns. Drivers may have few practical detour options, which keeps traffic funneling toward the same blocked stretch rather than dispersing onto nearby roads.
Clearing the backup typically takes longer than clearing the crash itself, since traffic doesn’t return to normal flow immediately once the roadway reopens. This lingering effect is part of why a crash’s reported impact includes traffic extending well beyond the immediate scene.