![](https://cms.krkholding.com/uploads/project/vKqXNu6S.jpg)
These projects were completed in accordance
with the conditions of our Sub-Agreement "NATM Works for the Main Line and
Overnight Line between S2-Temapark Station (Line 1 KM: 5+967,48 - 6+545,09 -
Line 2 KM: 5+972,25 - 6+556,62) and Atatürk Station Platform Tunnels (Line 1
KM: 3+181,00 - 3+411,00 - Line 2 KM: 3+166,87 - 3+396,87) signed on July 14, .2022.
The NATM shaft opened at the S2 construction site is one of the deepest NATM
shafts ever opened in Istanbul.