What key document is required to transport hazardous materials?

Transporting hazardous materials requires a Hazardous Materials Endorsement, which certifies that the driver has received specialized training and understands the safety protocols necessary for handling such materials. This endorsement ensures that the driver is knowledgeable about the specific risks associated with hazardous materials and is familiar with regulations concerning their transport, including labeling, packaging, and emergency response procedures.

While other documents like commercial vehicle registration or environmental compliance certificates may be important for compliance or vehicle operation, they do not specifically address the unique requirements associated with hazardous materials transportation. The driver's log book is essential for tracking hours of service and compliance with regulations but does not provide the necessary training or certification regarding hazardous materials. Therefore, the Hazardous Materials Endorsement is the crucial document in this context.