The Hereke Tunnel (Turkish: Hereke Tüneli), is a motorway tunnel constructed on the Istanbul–Ankara motorway 
O-4 
E80 in Kocaeli Province, northwestern Turkey. It was opened to traffic in 1984.
 Hereke Tunnel westbound O-4. | |
| Overview | |
|---|---|
| Location | Hereke, İzmit, Kocaeli, Turkey |
| Coordinates | 40°47′06″N 29°36′33″E / 40.78500°N 29.60917°E
  Hereke Tunnel Location of Hereke Tunnel in Turkey |
| Status | Operational |
| Route | O-4 E80 |
| Operation | |
| Opened | 1984 |
| Operator | General Directorate of Highways |
| Traffic | automotive |
| Vehicles per day | ca. 55,000 |
| Technical | |
| Length | 281–285 m (922–935 ft) |
| No. of lanes | 2 x 3 |
| Operating speed | 80 km/h (50 mph) |
It is situated in Körfez district of Kocaeli Province. The 281–285-metre (922–935 ft) long twin-tube tunnel carries three lanes of traffic in each direction.
The tunnel was constructed in the 1980s. During the 1999 İzmit earthquake, the tunnel was light damaged.[1] In 2012, the tunnel's both tubes were reinforced.[2] 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.[1]
See also edit
References edit
- ^ a b "Gültepe ve Korutepe Tünelleri yenileniyor". Çağdaş Kocaeli (in Turkish). 2013-12-25. Retrieved 2016-08-13.
- ^ "Karayollarında yol yapımı ve onarım devam ediyor". Haber7.com (in Turkish). 2012-05-15. Retrieved 2016-08-13.
External links edit
- Map of road tunnels in Turkey Archived 2012-12-22 at archive.today at General Directorate of Highways (Turkey) (KGM)
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