Gebze - Darica Metro Line

Tendered by Kocaeli Metropolitan Municipality, Gebze – Darica metro line is 15.6 km long and includes 12 stations and a depot area. The metro line, constructed by Meting A.S. – Metgün A.S. – Eze A.S. – Gokçe Ltd Joint Venture, was designed by Prota using BIM (Building Information Modeling) technology. Prota delivered 3D preliminary design, final design and detailed design projects along with on-site support & consultancy services. The metro line is expected to open by the end of 2023.

Within the scope of the project, Prota’s services include;

  • Track-way Alignment Engineering and Railway Design
  • NATM and TBM Tunnel Design
  • Architectural and Finishing Works Design
  • Geotechnical and Data Excavation Support System Engineering 
  • Structural Reinforced Concrete and Steel Design
  • Electrical and Electromechanical System Design 
  • Mechanical Engineering Design
  • Fire Safety Engineering and Control System Design
  • Line Electrification and Catenary System Design
  • Acoustic and Vibration Design
  • Quantity Takeoff and Cost Analysis


  • LocationKocaeli, Turkey
  • ClientMeting A.S. – Metgün A.S. – Eze A.S. – Gokçe Ltd Joint Venture
  • Total Length15.6 km
  • Term of Contract2018 - 2020