What must accompany the transport of hazardous materials?

The transportation of hazardous materials is regulated to ensure safety and proper identification. One crucial requirement is the use of US DOT compliant placards. These placards serve as visual indicators that alert first responders and the public to the presence of hazardous materials during transport. They provide critical information regarding the nature of the materials being transported, which is essential for effectively managing emergencies or accidents that may occur during transportation.

In contrast, while emergency response kits and storage containers may be important for safety, they do not fulfill the specific requirement for identification during transportation. Notification letters to local authorities might be part of some regulatory processes but do not serve the same purpose as placards in terms of immediate identification of hazardous materials during transit. Therefore, the presence of US DOT compliant placards is mandatory for safe and responsible transport of hazardous materials, illustrating the importance of clear communication in handling dangerous substances.