The Istanbul Strait Road Crossing project is a new crossing of the Bosphorous Strait that will connect the European and Anatolian regions of Turkey, relieving congestion on the two existing Bosphorus Bridges.
The new tunnel will be constructed between Kazlicesme and Goztepe, along a 14.6-km route including a 5.4-km twin-deck tunnel that will cross the Bosphorus beneath the seabed, with the aim to alleviate İstanbul’s traffic pressure.
The project also includes the construction of an additional 10km of access roads, two toll plazas and the operations buildings for the tunnel. The project is expected to reduce the travel time between Kazlicesme and Goztepe from 100 minutes to just 15 minutes.
Arup provided lenders’ technical advisory services during the design phase and traffic audit services. This role has now extended to include construction monitoring services that will continue until the tunnel opens in 2017.
Arup will advise the funding institutions on the technical requirements for the project, including a review and commentary on the design, the traffic models and economics, the construction and operation proposals, the environmental impact and stakeholder consultations; as well as the review of construction costs, contract documents and analysis of the project risks including.
Over view of the Project:
- Country/Region: Turkey
- Client: Avrasya Tüneli İşletme İnşaat ve Yatırım A.Ş.
Geography: 5.4km long tunnel under the Bosporus Strait linking the historic European peninsula with the motorway network on the Asian side.
Capacity : 120,000 cars and light vehicles are expected to travel through the tunnel each day.
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