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近几年来,国家为了适应社会经济发展的需要,不断加大基础设施建设力度,投资规模空前增加。受此影响,公路建设特别是高等级公路建设事业进入了一个快速发展的新时期,一方面,包括西部等一批落后地区的公路网建设步伐明显加快；另一方面,某些公路建设起步较早的省市和地区为适应现有的经济环境,对原有公路的升级改造和区域联网也大规模铺开,一时间筑养路建设市场热潮迭起。
In recent years, in order to meet the needs of social and economic development, the state has continuously increased its efforts in infrastructural construction and the investment has risen an unprecedented scale. Affected by this, highway construction, especially high-grade highway construction, has entered a new period of rapid development. On the one hand, the construction of road networks including a number of backward areas in the western part of China has accelerated noticeably. On the other hand, In order to meet the existing economic environment, the early provinces, municipalities and regions also carried out large-scale upgrading of the existing highways and regional interconnection, and the market craze in the construction of road construction came one after another.