UPDATE: As of 1:00 p.m. EDT, the overturned tractor-trailer has not been cleared from I-24 westbound.

TDOT now says that the crash is estimated to be cleared by 4 p.m.

The incident was reported at 7:15 a.m and has caused a massive traffic backup, affecting traffic in both directions.

Follow the WRCB app for updates.

PREVIOUS STORY: An overturned tractor-trailer is causing a backup on I24 West in Chattanooga.

It’s near the 181 A exit: TDOT reports it is impacting both east and westbound lanes.

TDOT estimates the crash to be cleared around 9:15 a.m. EDT.

Use caution if you travel in this area.