The Korutepe Tunnel ( tr, Korutepe 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 Kocaeli Province ( tr, Kocaeli ili, ) is a Provinces of Turkey, province of Turkey and one of only three not to have the same official name as its capital, İzmit, which is thus also sometimes called Kocaeli. The province is the successor of the ...

, 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 is situated on the Korutepe 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 Gültepe Tunnel follows it in the west 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.

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 {{Turkey-transport-stub

See also

References

External links