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改革开放30年,是我国社会生产力和综合国力大幅度跃升的30年,是社会全面进步的30年,更是公路交通飞速发展的30年。改革开放之初,我国公路里程仅有88.8万公里,其中41.3%是等外路,而等级公路中单车道的三四级路又占97.5%,国道上的行车时速平均不到30公里,公路运输严重制约着经济的运行和百姓的出行。改革开放30年来,交通基础设施建设成效显著,实现了交通事业科学发展、
In the 30 years since the reform and opening up, it has been a period of 30 years in which social productivity and overall national strength in our country have risen sharply. This is 30 years of all-round social progress and 30 years of rapid development of road traffic. At the beginning of the reform and opening up, the mileage of our country’s highway was only 888,000 km, of which 41.3% were off-road and the third and fourth level roads of the single-grade roads in the grade roads accounted for 97.5% of the total. The average speed of the national roads was less than 30 km per hour. Transport seriously restricts the operation of the economy and people travel. In the 30 years since the reform and opening up, the construction of transport infrastructure has achieved remarkable results, realizing the scientific development of transportation,