State Troopers are investigating a major accident that involved three tractor trailers northbound on I-65 in Cullman County.
It happened around 6 a.m. Saturday at mile marker 316. Officials said one of those tractor trailers overturned.
Troopers reported no injuries.
Both northbound lanes were shut down and traffic had to be re-routed. The lanes have since re-opened.
Officials said foggy conditions played a factor in the accident.