从18世纪末至19世纪初,直到1921年（民国十年）太军（太原至军渡,后延伸至陕西绥德,也称太绥公路）公路兴建前夕,吕梁山地区交通比较闭塞,沟通山陕之间有一条主要运输线,对当时的商贾活动、人民生活以致国家的公文传递,民间的信息往来,都起过非常重要的作用。 From the late 18th century to the early 19th century, it was not until the erection of the highway between Taiyuan (Taiyuan-Jundu and Taiyuan to Suide, also called Taisui Road) in 1921 (the 10th Republic of China) There was a major transportation line between Shaanxi and Shaanxi, which played a very important role in the activities of the merchants at that time, the people’s life, the transfer of official documents and the exchange of information between the people.