Where is a placard typically located on a vehicle?

A placard is typically located on the vehicle exterior as it serves the important function of providing clear and immediate information about the type of hazardous materials being transported. By being placed on the outside, placards ensure that first responders, regulatory personnel, and others can quickly identify the nature of the materials in the event of an accident or emergency. This external placement enhances safety by allowing individuals to assess potential risks from a safe distance.

In contrast, placing a placard on the dashboard, door, or rearview mirror would limit visibility and accessibility for those who need to view this vital information. The exterior location of placards is standardized to optimize safety protocols within hazardous materials transportation.