Uskudar - Umraniye - Cekmekoy Metro Line

Uskudar – Umraniye - Cekmekoy metro line, constructed by Dogus Construction, was tendered by Istanbul Metropolitan Municipality. The metro line is 17.8 km long and includes 16 stations of bore and cut-cover types, a 2.7 kilometers long depot area connection tunnel, a depot and a maintenance area. The main line is connected with Dudullu - Bostancı metro line and Marmaray line. In 2023, it is estimated that the line will carry 613.300 passengers daily.

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

  • Track-way Alignment Engineering and Railway Design
  • Architectural and Finishing Works Design
  • Structural, Geotechnical and Tunnel Design
  • Electrical and Electromechanical System Design
  • Mechanical Engineering Design
  • Fire Safety Engineering and Control System Design
  • Data Collection, Mapping and Soil Investigation Works
  • Traffic Plan and Landscape Design


  • LocationIstanbul, Turkey
  • ClientDogus Construction Inc.
  • Total Length17.8 km
  • Term of Contract2012 - 2018