A flatbed truck is a large vehicle with a flat body and no sides or roof around the bed. Typically, these types of trucks are used to transport heavy loads that won't be compromised in bad weather ...

DOT VIDEO SHOWS THE FLATBED TRUCK ... port-a-potties sliding off upright into I-94. "I see a port-a-potty flying back at me, and I try my best to swerve out of the way, but it hits my driver's side.

DOT VIDEO SHOWS THE FLATBED TRUCK DRIVE PAST ... "I see a port-a-potty flying back at me, and I try my best to swerve out of the way, but it hits my driver's side. It causes me to pull over ...