600 - Marmaray - OnurRailway Infrastructure

Marmaray project


  • 1998
    Preliminary analysis completed.
  • 2000
    Avrasyaconsult awarded for consultancy.
  • May 2004
    Taisei/Kumagei-Gama-Nurol awarded for construction of Bosphorus tunnel. Construction started on May 9, 2004. Target date: Jan 2009.
  • Oct 16, 2008
    Hyundai Rotem awarded for 440-cars-tender of Marmaray (€ 520 mn).
  • Mar 8, 2011
    Five offers delivered for second phase of Marmaray (surface lines). Best offer from OHL-Dimetronic (€ 1.04 bn).
  • Oct 26, 2011
    Contract inked. Target date: June 2015.
  • April 29, 2012
    Suburban service suspended on Pendik-Gebze stretch.
  • March 1, 2013
    Suburban service suspended on Kazlicesme-Halkali stretch.
  • June 19, 2013
    Suburban service suspended on Haydarpasa-Pendik stretch.
  • Aug 4, 2013
    First test run through Marmaray tunnel.
  • Oct 29, 2013
    Suburban service started between Ayrilikcesmesi-Kazlicesme through Bosphorus tunnel.
  • Nov 2015
    Agreement with OHL about new commission date. December 2017 instead of June 2015.
  • Aug 2016
    Completion rate of 2nd phase was announced as 39.65%. Target commission date updated: 10 Feb 2018.
  • Jan 2017
    Kalyon-Kolin-Cengiz consortium restarted the construction works as subcontractor.
  • Oct 2017
    Deadline announced for rail laying as Aug 2018, signalization as Sep 2018 and tests as December 2018. Commercial service is expected to start in December 2018.
  • May 23, 2018
    The first test run on Halkali-Kazlicesme stretch is done.
  • Sep 21, 2018
    Test run done in Asian part of the project, between Pendik and Feneryolu.
  • Oct 2018
    Port of ancient city Khalkedon is discovered during renewal works of Haydarpasa train station, which is planned to be used as main departure station for HSTs at Asian side of Istanbul.
  • Oct 2018
    Ridership in Marmaray reached 295 mn in 5 years.
  • Nov 2018
    Turhan: Deadline is 2019 1Q for Marmaray, end of 2019 for Ankara-Sivas YHT, 2020 for Ankara-Usak YHT and 2021 for Usak-Izmir YHT.
  • Dec 13, 2018
    The project to be commissioned in next 100 days are reported as Halkali-Gebze railway (Marmaray), Konya HST station and Samsun-Kalin railway in the action plan of Presidency.
  • Mar 12, 2019
    The opening ceremony of Marmaray. With this opening, the suburban service will start between Gebze and Halkali, and there’ll be continuous rail connection between Europe and Asia.
  • Mar 13, 2019
    Marmaray suburban trains start running between Gebze and Halkali. The high speed trains will call at Bostanci, Sogutlucesme, Bakirkoy and Halkali in Istanbul.
  • Mar 20, 2019
    3.3 mn passengers used Marmaray suburban trains in first week after opening.
  • Mar 21, 2019
    First international trains passed through Marmaray. The passenger train set that’ll run between Baku and Ankara departed from Halkali, passed through Marmaray tunnel and continued to Baku.
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3 replies »

  1. Very much enjoyed perusing your blog about Turkish railways — a subject about which I know little, unfortunately! But from what you’ve written and from the little I’ve read over the past year or so, Turkey is now an exciting place to be for the railway buff! The tunnel under the Straits linking Europe and Asia is a wonderful development, given that it brings rail freight transportation between China and Europe on step closer!

    Liked by 1 person

  2. Once again, thanks for the update on these remarkable construction projects — projects that should shorten the distance between European and Asian railway networks!


  3. I visited Istanbul in march 2015 and march 2017.
    Using the line between Ayrılıkçeşmesi and Yenikapı several times I’m very impressed with the system.
    Spacious trains, clean stations and cars and very affordable with the Istanbul kart.

    About me: tram driver from Munich/Germany, discovering urban and suburban railway systems around the world.

    Liked by 1 person

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