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三秦旧貌变新颜党的十一届三中全会确立了以经济建设为中心,实行改革开放的基本路线,开辟了陕西省公路发展的新纪元。1997年底全省公路总里程41202公里,比1979年增加7513公里,其中高速公路57.08公里,一级公路224.32公里,均从无到有;等级公路占总里程百分比从1980年的57.76%增加到83.19%;公路密度平均每百平方公里土地拥有公路20.04公里,每万人拥有公路11.54公里。随着公路里程大幅度增加、等级提高和通达深度增加,干线网络日趋完善,主要表现在:一是二级公路改造逐步铺开。尤其是进入“九
The Third Plenary Session of the Eleventh Central Committee of the Three-Qin Province, which has become a new revolutionary party, established the basic line of taking economic construction as the center and implementing the policy of reform and opening up and opened up a new era of highway development in Shaanxi Province. By the end of 1997, the total mileage of highways in the province was 41,202 kilometers, an increase of 7,513 kilometers over 1979, of which 57.08 kilometers of expressways and 224.32 kilometers of first-grade highways were all from scratch; the percentage of the total grade of highways increased from 57.76% in 1980 to 83.19%. %; Highway density average of 20.04 kilometers of land per 100 square kilometers of land, highway 11.54 kilometers per million people. With the substantial increase of highway mileage, the increase of grade and the increase of access depth, the trunk network is becoming more and more perfect. The main manifestations are as follows: First, the second-level highway reconstruction is gradually unfolding. Especially to enter ”nine