ST. LOUIS, Mo. (KMOV.com) -- A multi-vehicle accident shut down southbound lanes of Interstate 55 near Herculaneum Thursday afternoon.
At least one car was fully-engulfed in flames and a tractor trailer was smoking. Several other cars were also involved, according to video sent by a News 4 viewer.
Traffic was seen backing up several miles as a result, but reopened after about an hour.
There were no reports of injuries.