一、前言截止1975年苏联道路网总长1,450,000公里中的44%即630,000公里是铺有路面的。其中水泥混凝土路面、沥青混凝土路面及沥青简易路面的总长为280,000公里。从1976年至1980年预定新建道路65,000公里(其中干线公路15,000公里)。道路的等级分为5种,其交通量、设计速度及车行道宽度如表1所示。 I. INTRODUCTION As of 1975, 44% of the 1,450,000 kilometers of the Soviet road network, or 630,000 kilometers, are paved. The total length of cement concrete pavement, asphalt concrete pavement and asphalt simple pavement is 280,000 km. From 1976 to 1980, it is planned to build 65,000 kilometers of new roads (including 15,000 kilometers of trunk roads). The grade of the road is divided into 5 kinds, its traffic volume, design speed and roadway width are shown in Table 1.