论文部分内容阅读
20 0 2年 2月 5日 ,交通部、国家统计局联合发布第二次全国公路普查主要数据公报。到2 0 0 0年 1 2月 31日 ,全国公路总里程已达到1 67 98万km。 改革开放以来 ,全国公路总量及技术结构发生了很大变化 ,以高速公路为代表的高等级公路发展迅速 ,县乡公路快速增长。为此 ,交
On February 5, 2002, the Ministry of Communications and the National Bureau of Statistics jointly released the communique of the second major national highway census data. By February 31, 2001, the total mileage of highways nationwide reached 16.798 million km. Since the reform and opening up, there have been great changes in the total amount of roadways and technological structures in the country. High-grade highways represented by expressways have developed rapidly and the roads in counties and townships have been rapidly growing. To this end, pay