Taiwan Line 21 122K+940~123K+070 Ming Tunnel Improvement Project commissioned design, survey and geological exploration work

Entrusting unit : Maintenance Engineering Office of the Second District of the General Administration of Highways of the Ministry of Communications
Planned location : Xinyi Township, Nantou County
Schedule : Planning and design in February 101 of the Republic of China, opened to traffic in August 104
Program Overview : 
    The lithology of the upper slope is loose, and the collapse is caused by heavy rainfall, and the reconstruction method adopts the free frame slope protection with the 180m of the open tunnel for protection, and properly uses the gap between the tunnel entrance to create an ecological landscape pool, which won the 102 Golden Road Award and the project cost is 121 million yuan.