Which vehicle category encompasses any trailer, including those with air brakes?

The correct answer is that Class A vehicles encompass any trailer, including those equipped with air brakes. In Maryland, a Class A vehicle refers to a combination of vehicles where the gross combination weight rating (GCWR) exceeds 26,000 pounds, and the vehicle being towed exceeds 10,000 pounds. This classification is critical in the context of commercial transportation and requires drivers to have the appropriate licensing and training to handle large vehicles and trailers safely.

Class A licenses also allow the operation of any vehicle in Class B and Class C. Understanding this classification is essential for ensuring compliance with safety regulations and proper vehicle handling.

Class B vehicles typically involve heavier single vehicles or trucks that are used to transport goods but are not designed for towing large trailers like those in Class A. Class C usually covers smaller vehicles or those not exceeding the thresholds set for Class A or B. Class F pertains to a different set of regulations and is generally not associated with the same weight limits or operational guidelines as the other classes. Thus, recognizing the definition of Class A is pivotal for anyone involved in the operation of commercial vehicles in Maryland.