When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:

Question

Accepted Answer

B: The wheels of the last trailer.. When a vehicle makes a turn the arc (path) taken by each wheel is different. The path is less noticeable on short passenger vehicles while being much more pronounced on long vehicles. Thus, the rear wheels of the furthest trailer will be most affected. Off-tracking is a method to ensure that the path of the furthest wheels of the trailer can clear the turn of any obstacles that may be near, such as vehicles sitting at an intersection.

When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:

Alabama CDL Doubles/Triples Test Info