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 out to tender on February 22,9 for the construction of a 21-kilometer tunnel and viaduct, known as the 'Doğançay Ripaj'. Three consortia, consisting of Turkish and foreign partnerships, submitted bids for the tender. KazanThe company will deliver the construction in 21 months. TCDD is trying to train Ankara-Istanbul high-speed train services by the end of 2013. 2 thousand 62 people work 3 hours in 24 shifts in order to reach the mentioned date. The infrastructure works of the Eskişehir-Istanbul phase, which consists of two sections, 'İnönü-Vezirhan' and 'Vezirhan-Köseköy', were completed at a rate of 65 percent in the İnönü-Vezirhan section and 70 percent in the Vezirhan-Köseköy section. Superstructure and electromechanical works were started and the first 14 kilometers of rails were laid.

Source: haber.mynet.com

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