What are the three parts of the highway transportation system?
Answer: B — People, Vehicles, and Roadways
The correct answer is B: People, Vehicles, and Roadways. The three essential parts of the highway transportation system are: 1. People: This includes drivers, pedestrians, passengers, and anyone using the road system. 2. Vehicles: This refers to all types of vehicles using the roadway, such as cars, trucks, motorcycles, bicycles, and buses. 3. Roadways: This encompasses the physical infrastructure where vehicles travel, including streets, highways, bridges, and tunnels. Options A, C, and D do not accurately represent the three main components of the highway transportation system as specified in the question.