我们在《城市公共交通的发展 (一 )》这篇文章里 ,已向读者介绍了城市公共交通的起源 ,介绍了早期和近代出现的各种公共交通系统和公共交通工具。其中公共汽车对城市公共交通的贡献最大。在公共汽车普及的几十年中 ,城市里尤其是大城市里都设置了四通八达的公交线路 ,建造了宽 In our article “The Development of Urban Public Transport (I),” we have introduced to readers the origins of urban public transport and introduced various public transport systems and public transport that emerged in the early and modern era. Among them, buses make the most contribution to urban public transport. In the decades that buses are popularized, the bus lines extending in all directions in cities, especially in big cities, have been set up and wide