Cars are privately owned vehicles, while buses, trains, and subways are all forms of public transportation.

The Interstate Highway System is a network of controlled-access highways that connects major cities and economic centers in the United States.

Trains are capable of carrying a large number of passengers at high speeds, making them an efficient mode of transportation for commuting and long-distance travel.

A bike lane is a designated lane on a road specifically for the use of cyclists, separated from motor vehicle traffic.

Suspension bridges are often used to cross large spans, as they can be constructed with relatively few supports.

Traffic signals are used to regulate the movement of vehicles and pedestrians at intersections and other critical points on the road.

Concrete is a common road surface material due to its strength, durability, and resistance to wear and tear.

A subway is an underground railway system that provides rapid transit services within urban areas.

Buses are commonly used for short-distance travel within urban areas, providing a convenient and affordable mode of public transportation.

A crosswalk is a designated area on a road where pedestrians can safely cross.

Arch bridges are known for their curved arch shape, which distributes weight efficiently and allows for longer spans.

HOV lanes are designated lanes on highways and freeways reserved for vehicles with multiple occupants, promoting carpooling and reducing traffic congestion.

Asphalt is a common road surface material due to its smoothness, flexibility, and ability to drain water effectively.

Light rail is a type of urban rail transportation system that operates on elevated tracks, providing a convenient and efficient mode of public transportation.

Airplanes are the primary mode of transportation for long-distance travel, enabling rapid and efficient movement of people and goods across vast distances.