Final answer:
Systems designed to help regulate the highway transportation system would include local transportation departments, highway patrol offices, and state transportation departments.
Step-by-step explanation:
Systems designed to help regulate the highway transportation system would include local transportation departments, highway patrol offices, and state transportation departments. Local transportation departments are responsible for managing and maintaining local roads. Highway patrol offices enforce traffic laws and regulations on highways. State transportation departments oversee the planning, construction, and maintenance of state highways.