Gebze-Orhangazi-İzmir Motorway - Phase One

Gebze-Orhangazi-İzmir Motorway - Phase One


The new motorway will shorten the road distance between Gebze and Izmir by more than 140km. The 421km road project (377km motorway and 44 km connecting roads) will be completed in seven years and involves the construction of a 3km suspension bridge (4th longest in the world), 30 viaducts (total 18.21km in length), four tunnels (total 7.4km in length) and 209 bridges. The project also includes 18 toll collection centres, five maintenance and operation centres, seven service areas and seven park areas.

The 53km Gebze-Orhangazi section of the motorway is being built as the first phase of the project. The section includes the Izmit Bay suspension bridge, which comprises the most complex part of the whole road project.

It is expected to create approximately 10,000 construction jobs.

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