What does "Gross Combination Weight" refer to?

Gross Combination Weight (GCW) is defined as the total weight of a powered unit (such as a tractor), the trailer, and all cargo that is loaded on both the powered unit and the trailer. This measurement is vital for understanding the overall weight being transported, as it affects vehicle performance, safety, and compliance with federal and state regulations regarding weight limits for commercial vehicles.

Understanding GCW is critical for drivers, as exceeding weight limits can lead to issues like increased stopping distances, reduced maneuverability, and the risk of accidents. It is also important from a legal perspective, as commercial vehicles must adhere to strict weight regulations to ensure the safety of all road users. This makes option C the most comprehensive and accurate definition of Gross Combination Weight.