Over-the-Road Bus Transportation Law and Legal Definition
The term "transportation", as used with respect to an over-the-road bus, means “the movement of passengers or property by an over-the-road bus--
(A) in the jurisdiction of the United States between a place in a State and a place outside the State (including a place outside the United States); or
(B) in a State that affects trade, traffic, and transportation described in subparagraph (A).” (6 USCS § 1151)