Orhangazi Tunnel
| Overview | |
|---|---|
| Location | Orhangazi, Bursa Province - Yalova Province | 
| Coordinates | 40°33′57″N 29°21′19″E / 40.56583°N 29.35528°ECoordinates: 40°33′57″N 29°21′19″E / 40.56583°N 29.35528°E | 
| Status | Open | 
| Route |   | 
| Operation | |
| Work begun | February 15, 2012 | 
| Constructed | Otoyol A.Ş. | 
| Opened | April 21, 2016 | 
| Owner | General Directorate of Highways | 
| Traffic | automotive | 
| Character | Twin-tube motorway tunnel | 
| Technical | |
| Length | 3,586 and 3,591 m (11,765 and 11,781 ft) | 
| Number of lanes | 2 x 3 | 


The Orhangazi Tunnel (Turkish: Orhangazi Tüneli), is a motorway tunnel located at Samanlı Mountains in Marmara Region as part of the Istanbul-Bursa Motorway  in Turkey.[1]
  in Turkey.[1]
Situated northeast of Orhangazi town between Laladere and Yeniköy villages on the province border of Yalova and Bursa,[2] it is a twin-tube tunnel of length 3,417 m (11,211 ft) carrying three lanes of traffic in each direction. The construction works began on February 15, 2012,[2] and are being carried out by Otoyol A.Ş., a consortium of Turkish Nurol, Özaltın, Makyol, Yüksel, Göçay and Italian Astaldi companies.[3] The New Austrian Tunnelling method (NATM) was applied for the boring of the tunnel.[4][5]
Breakthrough in one of the tubes was achieved on February 19, 2014 after two years and four days of work. A related ceremony was held at site in presence of Deputy Prime Minister Bülent Arınç and Minister of Transport, Maritime and Communication Lütfi Elvan on March 3, 2014.[5] It is the longest motorway tunnel of Turkey.[1][3][6] The tunnel's opening to traffic was in April 2016.
Other tunnels on the route are the 1,234 m (4,049 ft)-long Selçukgazi Tunnel and the 1,747 m (5,732 ft)-long Belkahve Tunnel, which are under construction.[7]
See also
References
- 1 2 "Türkiye'nin en uzun tüneli yarın açılacak". Sabah (in Turkish). 2014-03-02. Retrieved 2014-04-17.
- 1 2 Alatürk, Ensar Tuna (2013-07-03). "Bu tünel İstanbul-İzmir arasını 3 saate düşürecek". Zaman (in Turkish). Retrieved 2014-04-17.
- 1 2 "Türkiye'nin en uzun tünelinde son durum". Ajans Orhangazi (in Turkish). Retrieved 2014-04-17.
- ↑ "Samanlı Tüneli / Samanlı Tunnel Km: 30+700 – 34+350". Otoyol A.Ş. Retrieved 2014-04-17.
- 1 2 "Samanlı Tüneli Sağ Tüp Kazısı Tamamlandı" (in Turkish). Otoyol A.Ş. 2014-03-03. Retrieved 2014-04-17.
- ↑ "Türkiye'nin en uzun tüneli açılıyor". Habertürk (in Turkish). 2014-03-02. Retrieved 2014-04-17.
- ↑ "Gebze-Orhangazi-İzmir otoyolu projesinde son durum". Sabah (in Turkish). 2014-03-03. Retrieved 2014-04-17.
