《元史·本纪·卷三十三》
大都至上都沿途以及塔思哈剌、旭麦怯诸驿站，自备诸物，供给繁重，天历三年，由官府代为应付其职。
大都至上都并塔思哈剌、旭麦怯诸驿，自备首思，供给繁重，天历三年官为应付。
Along the route from Dadu to Shangdu, as well as all the post stations in Tashar and Xumaxie, all the necessary items were prepared by the local governments, and the supplies were heavy. In the third year of Tianli, the government took over their duties.