土地资源不可再生,过多的私人车辆却导致土地的浪费,它占用了土地面积,导致交通拥堵,使用过多的石油,同时产生对人类健康不利的污染气体。因此,控制私人车辆的增长,鼓励公共交通工具的使用是越来越有必要的事情。现行公交车乘用系统不需要人们直接负担购车和维修的费用,有其优点,但在使用上还是有不便。本设计除了保留现有公交系统的长处外,更突出使用的简易性和自由度。整个使用过程是一个完整的系统,适合都市一族使用。 Land resources are not renewable. Too much private vehicles lead to waste of land. It takes up land area, causes traffic congestion, uses too much oil and produces polluting gases that are unfavorable to human health. Therefore, it is more and more necessary to control the growth of private vehicles and encourage the use of public transport. Current bus passenger system does not require people to directly afford the cost of car and maintenance has its advantages, but there are still inconvenient in the use. The design in addition to retaining the strengths of the existing bus system, but also highlight the ease and freedom of use. The entire process is a complete system for urban use.