Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to run on specific tracks. Common rail transits include traditional railways, subways, light rails, and trams, while new rail transits include maglev rail systems, monorail systems, and automated passenger rapid transit systems. In the Chinese national standard "Common Terminology of Urban Public Transport", urban rail transit is defined as a general term for fast and large-capacity public transport that is usually powered by electric energy and adopts wheel-rail operation.
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, more and more types of rail transit have emerged, not only in long-distance land transportation, but also in short- and medium-distance urban public transportation.
Urban rail transit is the largest public welfare infrastructure in the history of urban construction, which will have a profound impact on the overall situation and development model of the city. In order to build an eco-city, the urban development pattern of spreading the big pie should be changed into an outstretched palm-shaped pattern, and the skeleton of the palm-shaped urban development is urban rail transit.
The subway system is the most widely used type of railway system in urban rail transit, and the main body of rail transit in most cities is also the subway system. Therefore, the rail transit in some cities is based on the "subway" profile, and a certain city subway company is established, such as Guangzhou Metro.
What is Rail Transit
There are many types of urban rail transit, the technical indicators are quite different, and the evaluation standards of countries in the world are different, and there is no strict classification. Due to the rapid development of urban rail transit in the world, different regions, countries, cities, and different service objects have made urban rail transit develop into various types. There is no very uniform classification standard, and different classification methods can give different results.
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