High Speed Railway Line between Ankara-Eskişehir is the first stage of Istanbul-Ankara High Speed Train, under the
Line rehabilitation Project the construction
of which started in 2003 and this first phase
of the high speed train line was put the
service on March 13, 2009.
The line includes 25.000.000 m3 of excavation, 254 culvert buildings, 26 motorway
pedestrian overpasses, 30 motorway under
bridges, 4 channel passages, 13 river bridges, 2 highway bridges, 7 train bridges and
4 viaducts having total length of 4120 metres.1 tunnel with total length of 471 meters
was completed. Total 412 km. of superstructure was laid. The High Speed train line
between Esenkent-Eskişehir is independent
from the current line and it was built as two
lines in state of the art standards suitable to
250 km/hour speed.

Tur Insaat
The first phase of OHL-ALSİM ALARKO-GYO
Joint Venture was completed in 2009 and
Tur Insaat has successfully accomplished
EARTHWORKS, WORKS OF ART, VIADUCT
FILLINGS AND EXCAVATION WORKS, MATERIAL PRODUCTION TRANSPORT, LAYING
AND COMPRESSION WORKS.