-Philippines- 2014 Finding and Formation Research of Mountain Tunnel Overseas Project of the Road Sector(Case of Dalton Pass Bypass Road in Philippines) :Sep. 2013-Mar. 2014 [MLIT]
-Philippines- Detailed Engineering, Procurement of Civil Works and Construction Supervision for the Reconstruction/Repair of Nine (9) Bridges damaged by the October 15, 2013 earthquake Along the Bohol Circumferential Road
-Philippines- Detailed Engineering, Procurement of Civil Works and Construction Supervision for the Reconstruction/Repair of Nine (9) Bridges damaged by the October 15, 2013 earthquake Along the Bohol Circumferential Road :Nov. 2014-Jan. 2017 [DPWH]
Sanyu District Common-Use Cable Tunnel Detailed Design
Sanyu District Common-Use Cable Tunnel Detailed Design [MLIT Sagami Office]
Common-Use Cable Tunnel Detailed Design (Kokubunji 3,4,3)
Common-Use Cable Tunnel Detailed Design (Kokubunji 3,4,3) [Tokyo Metropolitan Gov’t]
District Common-Use Cable Tunnel Detailed Design
District Common-Use Cable Tunnel Detailed Design [MLIT Hitachi Office]
Kitamoto Common-Use Cable Tunnel Detailed Design
Kitamoto Common-Use Cable Tunnel Detailed Design [MLIT Omiya Office]
Common-Use Cable Tunnel Preliminary Design and Exploratory Drilling Survey
Common-Use Cable Tunnel Preliminary Design and Exploratory Drilling Survey [Tokyo MetropolitanPublic Co.]
Hokuriku Expressway Toyama Western IC Detailed Design
Hokuriku Expressway Toyama Western IC Detailed Design [JH Toyama]
Metropolitan Inter-City Expressway (Togane-Mobara) Preliminary Design
Metropolitan Inter-City Expressway (Togane-Mobara) Preliminary Design [MLIT Chiba Office]
National Route 41 Atagasu Improvement Preliminary Design
National Route 41 Atagasu Improvement Preliminary Design [MLIT Takayama Office]