Abstract: There are some important problems in expressway scale maintenance,such as the existence of scale income,the optimal scale of maintenance construction,the maintenance ability and its token of maintaining enterprise,the relation between construction scale and maintenance ability scale,and the necessity of setting up a social company in Chongqing area,etc.This paper probes into these problems at large.

Key words: expressway, maintenance, constructionscale, abilityscale, maintenance company

摘要： 讨论了在高速公路的大规模养护中,规模收益的存在性,最佳养护工程规模,企业的养护能力规模及其表征,工程规模和养护能力规模之间的内在关系以及在重庆市成立社会化的高速公路养护公司的必要性 .

关键词: 高速公路, 养护, 工程规模, 能力规模, 养护公司