Walking is not considered a mode of transportation because it does not involve the use of a vehicle.

Transportation policy has a variety of goals, including regulating the use of vehicles, promoting economic development, protecting the environment, and improving public health.

Airports are not considered transportation infrastructure because they are not used for the movement of people or goods.

Cars are the most common mode of transportation in the world, accounting for over 50% of all passenger trips.

Ferries are not considered public transportation because they are not operated by a government agency.

Transportation policy today faces a number of challenges, including congestion, pollution, and climate change.

Transportation technology includes a wide range of technologies, including electric vehicles, autonomous vehicles, connected vehicles, and shared mobility.

Sustainable transportation policy aims to reduce congestion, pollution, and greenhouse gas emissions.

Transportation planning includes a variety of activities, including long-range planning, short-range planning, transportation demand management, and transportation system management.

Transportation planning today faces a number of challenges, including the need to accommodate increasing demand, reduce congestion, reduce pollution, and address climate change.

Education is not considered a transportation policy instrument because it does not directly affect the behavior of transportation users.

Transportation regulation has a variety of goals, including promoting safety, protecting the environment, and ensuring equity.

Subsidies are not considered a transportation pricing mechanism because they do not directly charge users for the use of transportation infrastructure or services.

Transportation investment has a variety of goals, including improving safety, reducing congestion, promoting economic development, and protecting the environment.

Transportation education programs include a variety of activities, including driver education, public transportation education, bicycle education, and walking education.