What is the term for when a vehicle's rear wheels follow a different path than the front wheels while cornering?

The phenomenon where a vehicle's rear wheels follow a different path than the front wheels while cornering is known as offtracking. This occurs because the front wheels take a tighter turning radius compared to the rear wheels, which are typically at a greater distance from the pivot point around which the vehicle is turning. This is especially pronounced in longer vehicles, such as trailers or trucks, where the rear wheels might articulate outward during a turn, potentially leading to a wider path than anticipated.

Offtracking is a critical concept for drivers, particularly those operating large vehicles. It emphasizes the need for extra caution in turns, as the rear of the vehicle may encroach into neighboring lanes or areas not intended for the vehicle's trajectory. Understanding offtracking is crucial for safe navigation through corners in various driving scenarios, especially in commercial driving where vehicle dimensions play a significant role in maneuvering.