1 14-2007), urban rail transit is a vehicle transportation system with rail structure for bearing and guiding. According to the requirements of the overall urban traffic planning, a fully closed or partially closed dedicated track line is set up to transport a considerable number of passengers in the form of trains or bicycles.
The Classification Standard of Urban Public Transport also stipulates that urban rail transit includes subway system, light rail system, monorail system, tramcar, magnetic levitation system, automatic guided rail system and urban rapid rail system.
In addition, with the development of transportation system, other new transportation systems have also appeared. Extended data:
1. Urban rail transit is the trunk line of urban public transport, the artery of passenger transport and the lifeline project of the city. After the completion and operation, it will directly affect the travel, work, shopping and life of urban residents.
2. Urban rail transit is recognized as a "green traffic" with low energy consumption and less pollution in the world, and it is a golden key to solve "urban diseases", which is of great significance to realize the sustainable development of cities.
3. Urban rail transit is the largest public welfare infrastructure in the history of urban construction, which will have a far-reaching impact on the overall situation and development model of the city. In order to build an eco-city, the pie-spreading urban development model should be transformed into an open palm-shaped model, and the skeleton of palm-shaped urban development is urban rail transit.