Rail Transit
Rail Transit
Rail transport is a type of vehicle or transport system in which operating vehicles are required to travel on a specific track. The most typical type of rail transport is a railway system consisting of conventional trains and standard railways. With the diversification of train and railway technology, rail transport has become more and more diverse, not only in long-distance land transport, but also in short- and medium-distance urban public transport.
Common types of rail transport include traditional railways (national railways, intercity railways and municipal railways), subways, light railways and trams, and new types of rail transport include magnetic levitation (Maglev) rail systems, monorail systems (straddle rail systems and suspension rail systems), and automated people mover (APM) systems. In China's national standard "Common Nouns and Terms for Urban Public Transport", urban rail transport is defined as "a general term for fast and high-capacity public transport, usually powered by electricity and running on wheels and rails."
According to the difference in service scope, rail transport is generally divided into three categories: national railway systems, intercity rail transport and urban rail transport. Rail transport generally has the advantages of high capacity, high speed, high frequency, safety and comfort, high punctuality, all-weather, low freight costs and energy conservation, but it is often accompanied by high upfront investment, technical requirements and maintenance costs, and often occupies a large amount of space.
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