Land, water, and air are the main modes of transport. Land transport includes pathways, pack animals, road vehicles, railways, and trams. Water transport consists of inland waterways like canals and rivers, ocean transport via ships, and air transport of passengers and cargo. Railways are a major form of transport in India, carrying both passengers and goods over long distances quickly and efficiently via an extensive 66,590 km national highway network and 1,31,899 km of state highways.