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Marmaray Tunnel

Marmaray Tunnel
Marmaray Tüneli
One of the tunnels in 2012, one year before opening.
Overview
CoordinatesKazlıçeşme:
40°59′31″N 28°55′25″E / 40.99194°N 28.92361°E / 40.99194; 28.92361 (Kazlıçeşme Portal)
Ayrılıkçeşmesi:
41°00′03″N 29°01′49″E / 41.00083°N 29.03028°E / 41.00083; 29.03028 (Ayrılıkçeşmesi Portal)
StatusOpen
CrossesBosporus
StartKazlıçeşme, Zeytinburnu, Europe
EndAyrılıkçeşmesi, Kadıköy, Asia
Operation
Opened29 October 2013 (2013-10-29)
OwnerTurkish State Railways
OperatorTCDD Taşımacılık
CharacterCommuter rail
Technical
Line length13.5 km (8.4 mi)
No. of tracks2 single track tunnels
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Electrified25 kV AC 50 Hz Overhead line
Route map
0 km
0 mi
Kazlıçeşme
10. Yıl Caddesi
3 km
2 mi
Yenikapı
6 km
4 mi
Sirkeci
Bosporus
Europe
Asia
9 km
6 mi
Üsküdar
14 km
9 mi
Ayrılık Çeşmesi
Orgeneral Şahap
Gürler Caddesi
Uzun Hafız Sokak

The Marmaray Tunnel (Turkish: Marmaray Tüneli) is a 13.5 km (8.4 mi) long undersea railway tunnel in Istanbul, Turkey, beneath the Bosporus strait, linking Kazlıçeşme, Zeytinburnu in Europe with Ayrılıkçeşmesi in Asia. The tunnel consists of two single track tunnels with three underground railway stations: Yenikapı, Sirkeci and Üsküdar.

The Marmaray Tunnel was opened to passenger traffic on 29 October 2013. In March 2019 the overground part of the Marmaray project were completed and normal train traffic, including commuter (entire line), YHT and freight services started to run through the tunnel. The tunnel is the deepest immersed tube tunnel in the world.


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