• Pre-Feasibility Study and Feasibility Study (Engineering Part) for Jeonju Urban Expressway
  • Pre-Feasibility Study (Engineering Part) for Daegu Circulation Road
  • Technical Study and Cost Estimate for the National Aid Provincial
          Road No. 79(Dongmyeong - Bugye) Construction Project Feasibility Study
  • Feasibility Investigation for Seoul Ring Road (Jangsu - Gyeyang) and Gyeongin Expressway
          Traffic Congestion Alleviation Measures
  • Feasibility Investigation for Donghaenambu Line Double Track Station for Dongbu Mountain
          Tourism Resort Development Project
  • Research for Establishment of Metropolitan Traffic Implementation Plan (Daegu)
  • Research on Calculation of Design Time for Estimation of Appropriate Number of Lanes
  • Pre-Feasibility Study for Indeokwon - Byeongjeom Double Track Railway
  • Feasibility Investigation for a Tourism Tram Project
  • Pre-Feasibility Study for Widening the National Road No. 24 (Hapcheon - Changnyeong)
  • Pre-Feasibility Study for Busan Bukhang Port and Cheonma Tunnel Support Project
  • Pre-Feasibility Re-Investigation for Detailed Design of 11 National Roads
  • Pre-Feasibility Re-investigation for National Roads Nos. 22, 29 Construction Project
  • Pre-Feasibility study for Phase 2 of Seoul Subway Line No. 9
  • Pre-Feasibility Study for Construction of Supporting Facilities for Busan - Jinhae
          Free Economic Zone
  • Pre-Feasibility Study for New Transportation System in Incheon Free Economic Zone
  • Pre-Feasibility Study for Gwangju Urban Railway Line No. 2
  • Pre-Feasibility Study for Asan Bay Industrial Railway
  • Pre-Feasibility Study for Andong - Yeongdeok Expressway Construction
  • Pre-Feasibility Study for New Ansan Line Double Track Construction (Ansan-Cheongnyangni)
  • Pre-Feasibility Study for Construction of Hamyang - Ulsan Expressway
  • Pre-Feasibility Study for Chungju - Mungyeong Railway Construction Project
  • Feasibility Study for Privately Funded Yeongdo(Busan-Taejongdae) LRT
  • Pre-Feasibility Study for Construction of Taean-Boryeong National Road
  • Pre-Feasibility Study for Yeoju - Chungju Double Track Railway Construction
  • Feasibility Study for New Transportation System in Gangnam District, Seoul
  • Pre-Feasibility Study for Construction of Sinbundang Line
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