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宜兰公路东起陕西省宜川县,经过甘肃省、宁夏省,至甘肃省永靖县焦家川,全长933公里,是连接西北与华北的重要公路。 1981年1月13日建成通车的为甘肃省庆阳地区合水县太白镇公社瓦川口与陕西省宜兰公路相接的地段。在甘肃境内经庆阳、定西、兰州、临夏四个地(州)市,至永靖县盐锅峡公社焦家川,共长548.94公里。此线由交通部第二公路勘察设计院测量设计,为三级路标准。路线所经地区均为黄
The Yilan Highway starts from Yichuan County in Shaanxi Province to the east and passes through Gansu Province, Ningxia Province and Jiaojiachuan in Yongjing County, Gansu Province, covering a total length of 933 kilometers. It is an important highway linking the northwest and north China. January 13, 1981 was opened to traffic for Qingyang Prefecture in Gansu Province, Taishui Township commune Wawa Kawaguchi and Shaanxi Province, Ilan Highway connected lots. In Gansu Province by Qingyang, Dingxi, Lanzhou, Linxia four prefectures (prefectures), to Yongjing County salt potxia commune Jiao Jiachuan, a total length of 548.94 km. This line by the Ministry of Communications Survey and Design Institute of Highway Survey and Design, for the three road standards. The route area is yellow