1999年春,为配合基本建设,中国社会科学院考古研究所洛阳唐城队发掘了一段夯筑城垣,同时发现穿城而过的水渠遗迹。遗迹位于洛阳市金业路以东40米,马市街以南20米,中州东路以南750米,九都路以北150米。参考以前的考古资料可知,新发现的夯筑城垣是隋唐洛阳皇城东垣北段中 In the spring of 1999, in order to tie in with the capital construction, the Tangcheng Luoyang Team of Institute of Archeology, Chinese Academy of Social Sciences, unearthed a section of canal drains that rammed the city walls and found the city through. Relics are located 40 meters east of Luye City Jinye Road, 20 meters south of Ma Street, 750 meters south of Zhongzhou East Road, and 150 meters north of Jiudu Road. Reference to the previous archaeological data shows that the newly found rammed city wall is the Sui and Tang Dynasty Imperial City, Higashigaki North section