600 - Marmaray - OnurRailway Infrastructure

Marmaray project

The scope, route, stops, targets, cars, ridership figures and history of Marmaray project, 1st phase of which was commissioned and 2nd is under construction and which will connect Asian and European side of Istanbul by rail via tunnel under Bosphorus:

Project overview

Owner: Turkish State Railways
Project cost: TL 12.15 bn
Contractor: Taisei/Kumagei-Gama-Nurol (Bosphorus pass), OHL-Dimetronic (surface lines)

Target commission date: 12/2018
Commission date: 29 Ekim 2013 (1. etap)

  • 1st phase: Ayrılıkçeşme-Kazlıçeşme (13 km). The underground section under Bosphorus.
  • 2nd phase: Gebze-Ayrılıkçeşme (43 km) and Kazlıçeşme-Halkalı (19 km). The surface lines.

Cover Photo: Onur Uysal ©

Next page: Route
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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!

  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.

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