16一、西部地区交通建设成就建国50多年、特别是改革开放以来，西部地区的交通建设取得了世人瞩目的成就，目前西部地区的交通已经能够为经济社会发展以及人民生活水平的提高提供初步的保障。50多年来，西部地区的交通建设经历了三次建设高潮，一是20世纪50年代西南、西北地区 Since the founding of the People’s Republic of China for more than 50 years since the founding of the People’s Republic of China in the western region, especially in the wake of the reform and opening up, the traffic construction in the western region has made remarkable achievements in the world. At present, traffic in the western region has been able to provide initial measures for economic and social development as well as improvement of people’s living standards Protection. For more than 50 years, the traffic construction in the western region has undergone three construction climaxes. One is the southwestern and northwestern regions in the 1950s