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Rail transit refers to a type of vehicle or transportation system that requires operating vehicles to travel on specific tracks. The most typical rail transit is a railway system composed of traditional trains and standard railways. With the diversified development of train and railway technology, rail transportation has shown more and more types, not only in long-distance land transportation, but also widely used in medium and short-distance urban public transportation.
Common rail transportation includes traditional railways (national railways, intercity railways, and municipal railways), subways, light rails, and trams. New types of rail transportation include magnetic levitation rail systems, monorail systems (straddle rail systems and suspended rail systems) and Passenger automatic rapid transit system, etc. In China's national standard "Urban Public Transport Common Terms and Terms", urban rail transit is defined as "the general term for fast and large-volume public transport that is usually powered by electric energy and adopts wheel-rail operation."
According to the difference in service scope, rail transit is generally divided into three categories: national railway system, intercity rail transit and urban rail transit. Rail transit generally has the advantages of large capacity, fast speed, dense shifts, safety and comfort, high punctuality, all-weather, low freight, energy saving and environmental protection, but it is often accompanied by high initial investment, technical requirements and maintenance costs, and it is occupied The space is often larger.
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Post Code:136105
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