Which document must be present and current during a vehicle inspection for hazardous materials transport?

The bill of lading is the correct document that must be present and current during a vehicle inspection for hazardous materials transport. This document serves as a critical record that details the specifics of the shipment – including the type and quantity of hazardous materials being transported. It not only provides necessary information about the contents to emergency responders and regulatory authorities in case of an incident but also verifies that the materials are being transported in compliance with applicable laws and regulations.

Having the bill of lading on hand ensures that both the driver and inspectors can confirm that the hazardous materials are properly documented, which is essential for safety and compliance with hazardous materials transportation regulations. This documentation helps prevent misunderstandings regarding the nature of the cargo and ensures that proper handling and emergency procedures can be followed if needed.