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近 1 0年来 ,我国公路建设发展迅速 ,公路总里程增加了 3 5 % ,高速公路从无到有 ,到 2 0 0 0年底已达 1 6 0 0 0多 km,与此同时等外公路减少了 3 3 % ,这些数字说明我国公路的数量和标准均有很大提高。即公路等级由低级走向高级 ,运行速度由低速走向高速。但不可忽视的是 ,交
In the recent 10 years, the rapid development of highway construction in our country has resulted in an increase of 35% in the total mileage of highways. The expressways have grown from nothing to more than 160,000 km by the end of 2001, By 33%, these figures show that the number and standards of highways in our country have greatly increased. That is, the road level from low to advanced, running speed from low to high speed. But can not be ignored, pay