2002年,苏州市尝试进行了西山线中巴车公交化改造。通过公开质量招投标的形式,对原西山线、胥口线的73辆中巴车实施整体收购,同时投入40辆新型空调公交客车,实现了该线的中巴车公交化改造,开通的58、91路公交车实施公司化运行,做到了“车型统一”、“票价统一”、“运行规范” In 2002, Suzhou City, trying to Xishan line bus bus transformation. Through the public bidding in the form of quality, the original Xishan line, Xikou line of the 73 vehicles to implement the overall acquisition of the same time, investment in 40 new air-conditioned bus, the bus line to achieve the transformation of the bus, opened 58 , 91 bus company corporatization operation, achieved the “model uniform”, “fare unification”, “operation standard”