2014 Chubu Crossing Tunnel Emergency Facility and Etc Design Project
Fudai-Kuji District Tunnel Detailed Design Project
Second Tokyo-Nagoya Expressway Ganpo Tunnel Structure Investigation
Hidaka Toyooka South Road No.3 Tunnel Detailed Design
Kiseisen Susami Second Tunnel Detailed Design
Nikaho Honjo Road Tunnel Preliminary Detailed Design
Kinki Road Kisei Line Kozato Tunnel Detailed Design
Second Soto-Kanjo Nishidai, Nishiyama Tunnel Preliminary Design
East Kyushu Road Terajima Third Tunnel Detailed Design