元代西南边疆地区交通格局变迁的原因及影响——以滇川黔相邻地区为中心

元代在实现了空前的政治大一统之后，重视邮驿系统的建设。经过滇川黔相邻地区的重要交通线有效数量多、使用频率较高，其中自中庆（治今昆明）经过贵州东出湖南的“入湖广道”的开通，并成为西南地区联系中原内地的首选国家驿道，是元代西南地区交通事业建设取得的最重要的成就。这一变化，是多种因素作用的结果，并对西南边疆地区社会历史发展产生了广泛而深远的影响。

On the Reason and Influence of Traffic Pattern Change in Southwest Frontier Regions in the Yuan Dynasty： Take Adjacent Region in Dian, Chuan and Qian as a Center

The Yuan dynasty sees the unification politically and focuses on posting system construction. There are more important traffic routines passing adjacent region in Dian, Chuan and Qian and they are used frequently, among them the opening of “ Ruhuguangdao”is the most significant achievement in southwest traffic construction which is from Zhongqing （Kunming） via Guizhou and goes out of Hunan province and becomes preferable state routine connecting southwest region and Central plain inland. The change is the result of interacting multi-factors and produces a wide and important effect on social historical develooment in southwest frontier regions.