全长951公里的宜(川)至兰(州)公路,自1972年开始施工,至1981年竣工,整整用了十一年的时间,全部投资二亿二千二百多万元,技术标准为三级。这是建国以来已经建成的公路中里程较长、标准较高的公路之一。由于沿线地质复杂,人烟稀少,交通闭塞。从建设项目的确定到设计和施工等方面都有不少的经验和教训。 A total length of 951 kilometers of Yilan (Chuan) to Lan (state) highway construction since 1972, completed in 1981, took a full 11 years, all invested more than 222 million yuan, the technical standards For three. This is one of the longer and more standard highways in the roads that have been built since the founding of the People’s Republic. As the geological complex along the route, sparsely populated, traffic congestion. From the construction project to determine the design and construction, there are a lot of experience and lessons learned.