What term describes the commerce regulated by the DOT involving vehicle and cargo crossing state boundaries?

The term that describes the commerce regulated by the Department of Transportation (DOT) involving vehicle and cargo crossing state boundaries is "interstate." This designation is used for commerce that occurs between two or more states, signifying that the activities are not limited within one state’s borders. Interstate commerce is subject to federal regulation, which is crucial for maintaining safety standards and ensuring uniformity in transportation laws across different states.

In this context, interstate commerce refers to the movement of goods, services, and vehicles that travel across state lines, which is pivotal in a nation where trade between states is a foundational component of the economy. The DOT plays a vital role in overseeing this aspect of commerce to ensure safe and efficient transportation systems that facilitate these interstate activities.

Other terms, such as intrapersonal, intrastate, and international, refer to different contexts of commerce. Intrapersonal typically pertains to individual actions and thoughts; intrastate pertains solely to commerce conducted within the borders of a single state; and international involves trade and transportation across national borders, which is a distinctly different regulatory framework than that of interstate commerce governed by the DOT.