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来源：百度知道 编辑：UC知道 时间：2024/05/28 15:05:26
高速公路作为一种大型的基础设施，其投资成本是巨大的。据了解，目前我国建设4车道高速公路每公里平均造价，东部地区为3000万至5000万元，中部地区为2000万元至3500万元，西部地区为2000万至2500万元。其中以经济发达的长江三角洲地区高速公路平均每公里造价为最高。
as a great basic infrastructure ,highway's building cost a lot. as i know,now the average price of four lane highway is 30million to 50million RMB per mile in the east of China,and 20million to 35million RMB in the middle of China,and 20million to 25 million RMB in the west of china.among them,the price in the developed changjiang delta is the highest.
Freeway as a big base construction, the investment cost is huge! Evidences show that the average cost of a 4 driveway freeway per kilometer is around 30million to 50million for eastern area, 20million to 35 million for central area and 20million to 25million for western area. The average cost for Yangtze River Delta are is the most expensive.
看我完全手翻而且我在国外读书.相信我吧