A train is a type of public transportation that operates on rails, typically powered by electricity or diesel fuel.

Ships are the primary mode of transportation for moving goods over long distances, as they can carry large volumes of cargo efficiently.

Bicycles are a sustainable mode of transportation as they do not emit greenhouse gases and promote physical activity.

HOV lanes are dedicated lanes on roads reserved for buses and other high-occupancy vehicles, such as carpools and vanpools.

Bridges are transportation infrastructure that allows vehicles to cross a body of water by spanning over it.

A transportation network is a system of roads and highways that connects different parts of a country or region, allowing for the movement of people and goods.

Transportation hubs are facilities where passengers can transfer between different modes of transportation, such as trains, buses, and airplanes.

Expressways are systems of roads and highways designed to allow vehicles to travel at high speeds, typically with limited access and no intersections.

Maglev is a type of transportation system that uses magnetic levitation to propel vehicles, allowing them to travel at very high speeds.

Subways are transportation systems that use underground tunnels to move people and goods, typically in urban areas.

Cable cars are transportation systems that use cables to propel vehicles, typically up and down steep slopes.

Elevated trains are transportation systems that use elevated tracks to move people and goods, typically in urban areas.

Pipelines are transportation systems that use a network of pipes to transport liquids and gases, such as oil, natural gas, and water.

Power grids are transportation systems that use a network of wires to transmit electricity from power plants to homes, businesses, and industries.

Fiber optic networks are transportation systems that use a network of optical fibers to transmit data at high speeds.