Kadikoy-Kartal Metro Line

Tendered by Istanbul Metropolitan Municipality, Kadikoy - Kartal metro line was constructed by Avrasya (Astaldi, Makyol, Gulermak) Metro Group. The metro project is the longest underground metro line in Asian side of Istanbul. The line starts from Kadikoy station and connects with Marmaray line at Ayrilikcesme station and ends at Kartal station. The metro project covered 16 stations, a depot area, a maintenance area and a couple of ateliers. Within the scope of the project, Prota performed final design, detailed design and as-built drawings.

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
  • Structural, Geotechnical and Excavation Support System Design
  • Electrical and Electromechanical System Design
  • Mechanical Engineering Design
  • Fire Safety Engineering and Control System Design
  • Emergency Exit and Ventilation Simulation
  • Acoustic and Vibration Design
  • Traffic Plan and Landscape Design
  • Infrastructure and Catenary System Design


  • LocationIstanbul, Turkey
  • ClientAvrasya Metro Group
  • Total Length21.6 km
  • Term of Contract2008 - 2012