Railway Bosphorus Tube Crossing and Gebze Halkalı Improvement of Suburban Lines; Located on the European side Halkalı to connect Gebze districts on the Asian side with an uninterrupted, modern and high capacity suburban railway system; Improving the suburban rail system in Istanbul and building the Bosphorus Tube Crossing. It consists of three parts;
1. Construction of approach tunnels, three underground and two above ground stations with 1387 meter immersed tunnel under the Bosphorus.
2. Available Gebze-Halkalı 63 km suburban railway system between three lines on the level by upgrading and improving the completely new electromechanical system.
19,2 km of the line is located in Europe, 43,8 km is located in Asia.
3. 440 production of railway vehicles.
Gebze-Halkalı The most important objectives of the project
●● long-term solutions to the transportation problems of Istanbul,
●● eliminating the operational problems of existing suburban lines,
●● the interconnection of the Asia-Europe continents with an uninterrupted railway system under the sea,
●● Istanbul's modern, safe, comfortable, durable urban and intercity railway system,
●● Reducing journey times and providing a more comfortable journey for a high number of commuter passengers,
●● Reduction of air pollution caused by exhaust gases from motor vehicles and improvement of Istanbul's air quality,
●● To contribute to the preservation of historical and cultural environment by reducing the number of vehicles in the historical center of Istanbul,
●● Providing easy, convenient and quick access to business and cultural centers, will bring different points of the city closer to each other and add vitality to the economic life of the city,
●● Alleviating the traffic load on the existing Bosphorus bridges,
●● Most importantly, high capacity public transport between Asia and Europe will be provided by connecting Asia and Europe by rail.
Marmaray Project; It is a project built on the 13,6 km route between Ayrılıkçeşme on the Asian side and Kazlıçeşme on the European side. It will provide uninterrupted rail transport from Beijing to London by combining the suburban rail systems on the Asian and European sides at the base of the Bosphorus. Marmaray Project Republic of Turkey with the Japanese International Cooperation Agency (JICA) in Official Development Assistance (ODA) loans signed in the framework of agreed-made loans have been funded within the scope.
Technical Specifications of Marmaray Project
Marmaray has a total length of 13,6 km with drilling tunnels beneath the city on both the European and Asian side of the city. (two lines 12,2km) 19,2m under the throat with approach tunnels in length. length, maximum 1.387m from the water surface. de-rin, 60m. height and 8,6m. 15,3 in the form of 1, 1 units are constructed as 2 units.
Gebze-Halkalı Improvement of Suburban Lines: Construction, Electrical and Mechanical Systems
The second part of the project, 63 km-long anl Suburban Improvement ”is financed in part by the European Investment Bank (EIB) and partly by the Council of Europe Development Bank (AKKB).
The project in question; line works, signal system, above ground stations, operation, control center and power supply system, including infrastructure and covers all electromechanical works.
●● Existing (two-lane) suburban lines have been improved and converted to superficial subway lines, increasing the number of lines to 3.
●● Total 36 stations on the route were renewed to become modern stations and 2 new stations were built.
●● 3.hat will be used by intercity freight and passenger trains.
●● 18 minutes between Kazlıçeşme-Söğütlüçeşme and suburban operation, Gebze Halkalı between 105 minutes.
Gebze-Halkalı Current Status of Suburban Lines
●● T20 intercity train line, one of the lines planned to be constructed as 3 line on the 3 km route between Gebze and Pendik, Gebze and Pendik intercity train stations, and the electrification and signaling processes in this section were completed and put into operation on 25 July 2014 with Ankara-Istanbul YHT Project. . With the other two lines in this region, 10 commuter stations were completed.
●● The electrification and signaling of the suburban system consisting of 1 km and 13,6 stations in BC5 section of Marmaray Project between Ayrılıkçeşmesi and Kazlıçeşme has been completed and commissioned in 2013.
Railway Vehicle Manufacturing
440 pieces (34 Piece 10 Vehicle Train series and 20
Number of 5 Vehicle Train series) Railway Vehicle;
●● Design, manufacture and delivery,
●● All tests required to prove that the materials, facilities and labor used meet contract requirements,
●● personnel training,
●● Commissioning of works,
●● pre-finishing and post-finishing tests,
●● Supply of all necessary spare parts and tools,
●● 5 maintains all works throughout the year,
●● Provision and supply of spare parts for vehicles during the maintenance period.
The ından Railway Vehicle Manufacturing Aracı was financed by the European Investment Bank and the Council of Europe Development Bank.
34 × 10 and 20 × 5 vehicles to be used on the Marmaray Project route were completed. Installation of the units of these vehicles was carried out in 440 EUROTEM Adapazari factory in Turkey.
The vehicles are stored and protected in Edirne and Sirkeci Temporary Gare sites. The installation of the signal and radio equipment of the 19 5 vehicle series delivered to TCDD Taşımacılık A.Ş. is completed and is currently being used in Marmaray operation.