The highway transportation system a. facilitates the efficient movement of people and goods throughout the u. s. b. keeps traffic moving slowly c. reduces the number of cars on the road d. is used only for business

A. Facilitates the efficient movement of people and goods throughout the U.S.

Explanation:

The highway transportation system helps to facilitate the transportation or movement of people and cargo efficiently and safely.

The highway transportation system includes roadways, roadway users and vehicles such as; cars, trucks, motorcycles, buses farm vehicles etc.

Roadway users are people who use the highway transportation system by walking, driving or riding.