The Zhangyuan Tunnel () is a tunnel in Yonghe Village, Zhongliao, Nantou County, Taiwan.http://chungliao.nantou.gov.tw/editor_model/u_editor_v1.asp?id={D384AA25-41DD-4D4B-9D92-54356F3FE736}
History The single-cave tunnel was constructed during the Japanese rule of Taiwan where the government organized civil labors to dig the tunnel. In 1991, another cave was cut due to the road widening project.
See also Transportation in Taiwan
References