随着城市化进程的不断加快,城市交通之间的矛盾越发突出,已经在一定程度上影响了我国经济的发展。城市轨道交通得到了前所未有的发展机遇,并形成了立体化、多层次的综合交通体系。在城市轨道交通中,备用客车是进行客流疏导,调整轨道交通行车间隔的关键工具。本文将会对城市轨道交通的设备、备用客车的运用及优化情况等给予介绍,以更好的推动我国城市轨道交通的发展。 With the accelerating process of urbanization, the contradiction between urban transport has become increasingly prominent, which has already affected the economic development of our country to a certain extent. Urban rail transit has been an unprecedented opportunity for development, and formed a three-dimensional, multi-level integrated transport system. In urban rail transit, the backup bus is a key tool for passenger flow control and adjustment of the traffic interval of rail transit. This article will give an introduction on the application of urban rail transit equipment and spare passenger cars and their optimization so as to better promote the development of urban rail transit in our country.