For the Korean Dynasty, the transportation of products was especially a heavy burden, and the "Korean Dynasty's Fact Record" described that situation and said as follows:
朝鮮王朝にとって交易品の輸送は特に負担となっていた様であり、朝鮮王朝実録にその様子は「沿路各官、人吏竝出、夜以繼晝、輸運之物、絡繹於道、至於妻子、徧受其苦、重載之牛、多斃路中。