High Speed ​​Train Project Falling Speed

The High Speed ​​Train project is changing the route between 'Geyve-Sapanca' so that its speed does not decrease. Thus, Istanbul will be shortened by 10 minutes between Ankara.
State Railways is changing the Ankara-Istanbul high speed train project. With the change in the project, which is targeted to be raised by the end of 2013, the travel time between Ankara and Istanbul will be shortened by 10 minutes to 3 hours, and the length of the line will decrease from 533 km to 523.
A mandatory change is being made in the second stage of the High Speed ​​Train (YHT) project, which will reduce the travel time between Ankara and Istanbul to 3 hours and 10 minutes. In the current project, after the Eskişehir and Pamukova, 33,5 kilometers of 'Geyve-Doğancay-Arifiye-Sapanca' route is followed and even Arifiye is bypassed. Thus, while the line is shortened by 10,5 km, following Geyve, 22 thousand 900 meters of tunnels and viaducts are followed to reach Sapanca.
The reason for the change is that YHT has to reduce its speed up to 80 km along the 'Geyve-Doğancay-Arifiye-Sapanca' route.
According to the news of Zaman Newspaper, TCDD does not want the high speed train to drop to 80 km at this location. He wants to overcome the problem by building a tunnel and viaduct. With the change, the travel time between Ankara and Istanbul will be shortened by 10 minutes to 3 hours and the length of the line will decrease from 533 km to 523 km.
TCDD officials went on to tender on February 22,9 for the construction of a 21-kilometer tunnel and viaduct, known as the 'Doğançay Ripajı'. Three consortiums of Turkish and foreign partnerships were offered to the tender. The winning company will deliver the construction in 3 months. TCDD is trying to train Ankara-Istanbul high speed train trains to the end of 21. In order to raise the line of 2013 thousand 2 people to the mentioned date, 62 shifts work 3 hours a day. The infrastructure works of the Eskişehir-Istanbul stage, which consists of two sections: 'İnönü-Vezirhan', 'Vezirhan-Köseköy', was 24 percent in İnönü-Vezirhan and 65 percent in Vezirhan-Köseköy. Superstructure and electromechanical works started and the first rails of 70 kilometers were laid.

Source: haber.mynet.com

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