2007年11月14日至16日,全国公路建设座谈会在云南景洪召开。会议全面总结了近年来公路建设取得的主要成绩,特别是“五纵七横”国道主干线的建设经验。自1991年国家提出“五纵七横”国道主干线建设以来,公 From November 14 to November 16, 2007, the National Road Construction Symposium was held in Jinghong, Yunnan Province. The meeting comprehensively summarized the major achievements made in highway construction in recent years, especially the construction experience of “five vertical and seven horizontal” national trunk roads. Since the country proposed in 1991 “five vertical and seven horizontal ” national highway construction, public