What is a characteristic of vehicles covered under a Class C CDL?

Answer: C — They are designed to carry hazardous materials

The characteristic of vehicles covered under a Class C CDL includes specific requirements for transporting certain types of loads or passengers. A Class C CDL is primarily issued for vehicles that are designed to transport 16 or more passengers (including the driver) or hazardous materials requiring placarding. The key aspect of a Class C CDL focuses on the vehicle's capacity to transport passengers or hazardous materials rather than heavy loads. While hazardous materials may require special handling and are covered under Class C CDL, the primary distinction lies in the vehicle's design for passenger transport or the need for compliance with hazardous material regulations. In this context, the other options do not accurately represent the core characteristics of a Class C CDL. For instance, while personal use vehicles may sometimes fall under this category, not all vehicles covered by a Class C are for personal use. Furthermore, vehicles under a Class C aren't limited to carrying only a certain number of passengers. Instead, they can carry more, as long as they meet the necessary requirements set forth by the CDL classification criteria.