悬泉置汉简
1990—1992年，甘肃省文物考古研究所对悬泉置遗址进行考古发掘，出土各类遗物7万件，其中简牍3.5万枚。悬泉置汉简是悬泉置日常运作形成的档案文书得以保留下来并被发掘的部分，目前编号整理1.8万枚。悬泉置汉简详细记录了作为丝绸之路上汉代邮驿路线的组织机构与运作状况，作为汉与西域交往必经重要驿站的档案文书，其中所见西域地名达30多个，涉及大月氏、康居、罽宾、乌弋山离与条支等古国，为探讨汉代中原王朝与西域的交往提供了丰富的资料。
1990 年，悬泉置遗址出土的《驿置道里簿》（简牍编号Ⅱ 90DXT0214 ① :130），记录汉代邮驿交通路线站点及其间距。起于东端的武威郡苍松，经武威、张掖、酒泉，止于敦煌郡最东渊泉置。此简记录的路线与居延汉简EPT59:582路线衔接，构成长安经平凉、武威至敦煌郡的完整交通路线。据此可知，当时从长安到敦煌全程有近60个驿站，真实展现出丝绸之路长安至敦煌段的历史面貌
Han-Dynasty Bamboo Slips, Xuanquan Posthouse Site
From 1990 to 1992, Gansu Institute of Cultural Relics and Archaeology conducted archaeological excavations at the Xuanquan Posthouse Site, bringing to light a total of 70,000 artifacts including 35,000 bamboo slips. These bamboo slips represent a preserved portion of the archival documents generated from the daily operations at the Xuanquan Posthouse Site, with 18,000 pieces currently cataloged and organized. These slips provide detailed records of the organizational structure and operational status of the postal routes along the Silk Road during the Han Dynasty. As essential archival documents from a significant waystation serving interactions between the Han and the Western Regions, they contain over 30 geographical names from the Western Regions, referencing ancient kingdoms such as Yuezhi, Kangju, Jibin, Wuyishanli, and Tiaozhi. This rich information offers valuable insights into the exchanges between the Central Plains and the Western Regions during the Han Dynasty.
In 1990, slips containing The Book of Relay Stations and Distances (Slip No. II90DXT0214 A : 130) were unearthed at the Xuanquan Posthouse Site. The book records the postal traffic routes and stations of the Han Dynasty, along with their distances. The route begins at the eastern end in Cangsong of Wuwei Prefecture, passes through Wuwei, Zhangye, and Jiuquan, and terminates at the easternmost point of Dunhuang Prefecture, Yuanquan Posthouse. This slip documents a route that connects to the route recorded on Juyan Han-dynasty Bamboo Slip EPT59:582, forming a complete transportation route from Chang'an through Pingliang and Wuwei to Dunhuang Prefecture. It indicates the existence of nearly 60 waystations along the journey between Chang'an and Dunhuang, providing an authentic depiction of the historical landscape of the Silk Road segment between the two places.
