Skip to main content

Turkish tunnel tender underway

The tender process is underway in Turkey for a major tunnel project. The package of works is for the planning, project and engineering design for a new three-storey underwater tunnel that is planned for Turkey’s commercial centre, Istanbul. Named the Big Istanbul Tunnel, the route is expected to run under the Bosporus. The tunnel is anticipated to feature two storeys carrying vehicle traffic, with a third carrying a rail link. This would cut journey times to just 14 minutes. The engineering work is expected
May 9, 2016 Read time: 1 min
The tender process is underway in Turkey for a major tunnel project. The package of works is for the planning, project and engineering design for a new three-storey underwater tunnel that is planned for Turkey’s commercial centre, Istanbul. Named the Big Istanbul Tunnel, the route is expected to run under the Bosporus. The tunnel is anticipated to feature two storeys carrying vehicle traffic, with a third carrying a rail link. This would cut journey times to just 14 minutes. The engineering work is expected to have a value of US$12.52 million and should take 12 months to complete.

Related Content

  • Slovakia tunnel sections underway but some delays
    January 23, 2018
    The route for new tunnel links for Slovakia’s D1 highway has been agreed. New tunnels now look set to be built on the 13.5km stretch between Turany and Hubova section of the D1 highway. This plan calls for the construction of the Korbelka and Havran tunnels at an estimated cost of €900 million. Building these two links would bypass the Lower Fatra mountain range, with the Korbelka Tunnel measuring 5.9km and the Havran Tunnel measuring 2.9km long. The Slovak Environment Ministry rejected an appeal against th
  • State-of-the art road tunnels in construction and use of ITS
    April 25, 2013
    A wealth of major road tunnel construction projects and significant cant ITS installations within existing key road tunnels have been recently completed or will soon be underway. Guy Woodford examines some of them. A state-of-the art Tunnel Boring Machine (TBM) - the 10th largest ever to be built worldwide will be put to work later this year on New Zealand Transport Agency’s landmark Waterview Connection project in Auckland. The giant Herrenknecht-manufactured machine will be used to construct the twin 2.5
  • Let’s Boogie in a new tunnel
    July 7, 2020
    The new Victory Boogie Woogie Tunnel will be the most sustainable tunnel in the Netherlands.
  • Colombia tunnel construction contract commencing
    February 5, 2018
    Driving work has commenced for Colombia’s Toro Tunnel project. The tunnel will measure 9.8km long and is located in Colombia’s Antioquia Department, with the completion expected in 2022. The project is costing US$650.5 million and the link is intended to provide a link between the Autopista al Mar 1 and Autopista al Mar 2 highways. When complete the tunnel will also cut the travel time between Medellin and Uraba to four hours.