Gebze - Orhangazi - İzmir Motorway, Including Osmangazi Bridge and Access Roads Build – Operate – Transfer Project
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Otoyol A.Ş.
Client: General Directorate of Highways (KGM) |
Concession Company: Otoyol Investment and Operation Co. (Affiliated with Özaltın Construction Co., Inc.) |
Construction Company: NÖMAYG Joint Venture Company |
Concession Period: 22 Years 4 Months |
Location: İzmir-Gebze Section, TÜRKİYE |
Total Length of Motorway: 426 km (384 km Motorway + 42 km Access Roads) |
Platform Width: 35.5 m (2x3 Motorway) |
Pavement Type: Asphalt Pavement |
Number of Tunnels: 3 |
Length of Tunnels: 12,883 m (Twin Tube, 6,440 m long one-way) |
Number of Bridges: 78 |
Number of Suspension Bridge: 1 |
Length of Suspension Bridge: 2,907 m |
Main Span of Suspension Bridge: 1,550 m |
Number of Viaducts: 38 |
Toll Collection Area: 21 |
Motorway Maintenance- Operation Center: 4 |
Tunnel Maintenance- Operation Center: 2 |
Service Stations and Parking Areas: 33 |
The Gebze-Orhangazi-İzmir Motorway Project (Including the Osmangazi Bridge and Access Roads), tendered as a Build-Operate-Transfer model, stands as one of the most significant transportation initiatives in Türkiye.
The project reached a pivotal milestone with the inauguration of the Osmangazi Bridge on June 30th, 2016. With a total length of 2,907 meters and featuring a main span of 1,550 meters, it is ranked as the 7th widest mid-span suspension bridges worldwide.
Stretching across a length of 426 kilometers, the project comprises 384 kilometers motorway and 42 kilometers access road. Within this expansive scope, the project encompasses the construction of 38 viaducts, 3 tunnels with a total length of 12,883 meters, 78 bridges, 21 toll collection areas, 35 intersections, 4 motorway operation-maintenance centers and 2 tunnel operation-maintenance centers. Additionally, the route is dotted with 33 service stations and parking areas for the convenience of the passengers.
Client: General Directorate of Highways (KGM) |
Concession Company: Otoyol Investment and Operation Co. (Affiliated with Özaltın Construction Co., Inc.) |
Construction Company: NÖMAYG Joint Venture Company |
Concession Period: 22 Years 4 Months |
Location: İzmir-Gebze Section, TÜRKİYE |
Total Length of Motorway: 426 km (384 km Motorway + 42 km Access Roads) |
Platform Width: 35.5 m (2x3 Motorway) |
Pavement Type: Asphalt Pavement |
Number of Tunnels: 3 |
Length of Tunnels: 12,883 m (Twin Tube, 6,440 m long one-way) |
Number of Bridges: 78 |
Number of Suspension Bridge: 1 |
Length of Suspension Bridge: 2,907 m |
Main Span of Suspension Bridge: 1,550 m |
Number of Viaducts: 38 |
Toll Collection Area: 21 |
Motorway Maintenance- Operation Center: 4 |
Tunnel Maintenance- Operation Center: 2 |
Service Stations and Parking Areas: 33 |
Otoyol A.Ş.
T: +90 312 291 33 00
F: +90 312 266 09 95