About Bolu Mountain Tunnel

About Bolu Mountain Tunnel; The Bolu Mountain Tunnel starts at the 30th kilometer of the Gümüşova-Gerede highway, at Kaynakşli, runs along the Asarsuyu Valley in the east direction, passes the Bolu Mountain in a tunnel and ends at the Yumrukaya area.

This transition Helsinki in 1977 that was signed by 10 the participation of European countries in the Final Act of the line and the United Nations Economic Commission for Europe with the United Nations Development Program TEM which is currently underway in support (North-South European Highway) Project within the scope of Turkey within the limits starting from the Kapitan Andreevo Border Gate Istanbul -It forms part of the Anatolian Motorway that continues over Ankara.

Throughout the project's history, the 12 government has changed, facing the 16.

Bolu Mountain Tunnel Construction

The tender for the Bolu Mountain Crossing Project was started in 1990 and the tender was awarded to Italian Astaldi. The first excavation of the Bolu Mountain Tunnel in the Bolu Mountain Crossing Project started on April 16. No seismic survey was conducted before the construction of the tunnel.

The total 25,5 kilometer-long Bolu Mountain pass includes the 4,6 kilometer-long 4 viaduct, approximately 900 meters long 3 bridges, and approximately 2 thousand 900 meters long Bolu Tunnel. To date, there have been some delays in the project due to 2 times flooding and 2 times exposed to earthquakes. Bolu Mountain Tunnel is built as 3 arrival, 3 going lane, double tube.

The right tube in the direction of Ankara is 2 788 meters, and the left tube in the direction of Istanbul is 2 thousand 954 meters. The Bolu Mountain Crossing Project is often referred to as the Bolu Tunnel Project, but the tunnel constitutes 2,9 kilometers of the project. The cost of discovery of the project was set at $ 570,5 million. According to the information provided by the Head of Yüksel Project Control Organization Faik Tokgözoğlu, who supervises the construction of the Bolu Mountain Tunnel on behalf of the General Directorate of Highways, the total cost of the Bolu Mountain Crossing Project, including the price difference, is 900 million dollars. Approximately 35 percent of the project amounting to 290 million dollars was spent for the tunnel.

Bolu Mountain Tunnel Opening Date

Mount Bolu Tunnel, on January 23, 2007. Turkey's Prime Minister Recep Tayyip Erdogan and Italian Prime Minister Romano Prodi was opened at a ceremony attended. Prime Minister Recep Tayyip Erdoğan and Italian Prime Minister Romano Prodi, State Minister Ali Babacan, Public Works and Settlement Faruk Özak, Transportation Minister Binali Yıldırım and Astaldi's Chairman of the Board of Directors Paulo Astaldi at the opening.

Bolu Mountain Tunnel Technical Specifications

Length: 2.788 m (9.147 ft) (Right tube); 2.954 m (9.692 ft) (Left Tube)
Foundation laying: 1993
Opening: 23 January 2007
Highest point: 860 m (2.820 ft)
Lowest point: 810 m (2.660 ft)
Banner: 2 + 3

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