Turkey's longest tunnel, now that the high-speed train between Eskisehir-Istanbul is done.
One of the tunnels that will be located in the 533-kilometer 'İnönü-Vezirhan-Köseköy' section, which is the second phase of the 158-kilometer Ankara-Istanbul high-speed train project, consists of 7 thousand 470 meters and the other 6 thousand 100 meters. The 7 thousand 470 kilometer tunnel will be built between Vezirhan-Köseköy, which is also known as Doğançay Ripage. With this tunnel, direct landing to Sapanca will be provided. Turkey is the second longest tunnel construction is ongoing at İnönü-Vezirhan sector, established 7 kilometers Bilecik.
The Republic of Turkey State Railways (TCDD), the travel time between Ankara-Istanbul high-speed train tunnel after another in order to reduce to 3 hours and köprüyol (viaduct) is building. 54 tunnels and 104 bridges will be built between İnönü-Vezirhan (33 km) and Vezirhan-Köseköy (29 km), which is the second phase of the high-speed train project. The total length of the tunnels, 19 of which are located between İnönü and Vezirhan, reaches 29 thousand 146 meters. While completing the tunneling work of 16 meters of these tunnels, 300 percent of 5 viaducts consisting of 856 meters in the same section were completed. Likewise, the construction of 13 tunnels of 80 thousand 29 meters and 806 viaducts of 14 thousand 6 meters are continuing between Vezirhan and Köseköy. While 866 percent of the viaduct construction was completed, the length of the tunnel opened opened to 16 meters. It is aimed to complete all the tunnels in one year and move to the rail laying and electrification stages.
The longest viaduct Turkey's current line, the first step was made in cutting the Ankara-Eskisehir. 3 viaducts with a total length of 999 meters were built. In this line, there is one tunnel and one on / off tunnel with 4 meters. On the 471-kilometer Ankara-Eskişehir line, flights started on 206 March 13. In fact, between 2009 March 13 and 2009 June 30, a total of 2011 million 3 thousand 906 people traveled.
Improving Gebze-Köseköy
The works on the line between “İnönü-Vezirhan-Köseköy” section, which is the second phase of the Ankara-Istanbul high-speed train project, and Gebze-Köseköy, which are within the scope of the Marmaray Project carried out by DLH General Directorate, continue. The double track railway between Köseköy and Gebze will be reconstructed and will be made suitable for high speed train operations. Some places will be removed on 3 lines. Societa Italiano Percondatte Spa Kolin İnşaat won the tender of the 56-kilometer line, the project of which was completed, with a bid of 469,6 million liras. The company that won the tender is expected to deliver a place within this month. The company will complete the job 36 months after the site delivery.
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