The Gültepe Tunnel ( tr, Gültepe Tüneli), is a
motorway tunnel constructed on the
Istanbul
Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...
–
Ankara
Ankara ( , ; ), historically known as Ancyra and Angora, is the capital of Turkey. Located in the central part of Anatolia, the city has a population of 5.1 million in its urban center and over 5.7 million in Ankara Province, maki ...
motorway in
Kocaeli Province, northwestern
Turkey
Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
. It was opened to traffic in 1984.
It is situated on the Gültepe Hill west of
İzmit
İzmit () is a district and the central district of Kocaeli province, Turkey. It is located at the Gulf of İzmit in the Sea of Marmara, about east of Istanbul, on the northwestern part of Anatolia.
As of the last 31/12/2019 estimation, the c ...
. The long twin-tube tunnel carries two lanes of traffic in each direction.
The tunnel was constructed in the 1980s. During the
1999 İzmit earthquake
On the 17th of August, 1999 at 3:01 AM local time, a catastrophic magnitude 7.6 earthquake struck the Kocaeli Province of Turkey, causing monumental damage and 17,127–18,373 deaths. Named for the quakes proximity to the northeastern city of Izm ...
, the tunnel was light damaged.
In 2012, the tunnel's both tubes were reinforced.
In the time period of 2013–2014, the tunnel was modernized for traffic safety. Around 55,000 vehicles pass through the tunnel in both directions daily.
See also
*
List of motorway tunnels in Turkey
Below is the list of highway tunnels on Turkish motorways.
Motorway Tunnels
Motorway Tunnels (under construction)
Motorway Tunnels (projected)
* Yalova-İzmit Motorway, Yalova-Elmalık, T1 Motorway Tunnel (projected) - 2 x 942 m
* Yalova-İzmi ...
References
External links
Map of road tunnels in Turkey at
General Directorate of Highways (Turkey)
The General Directorate Of Highways ( tr, Karayolları Genel Müdürlüğü) (KGM) is a state agency in charge of the construction and maintenance of all public roadways outside of cities and towns in Turkey. It was established on 1 March 1950, f ...
(KGM)
Road tunnels in Turkey
Transport in Kocaeli Province
İzmit
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