Ankara, Turkey, Nov. 15
By Atilla Caner, Orkhan Quluzade – Trend:
The Turkish Ministry of Transport, Maritime Affairs and Communications will re-announce a tender for conducting research, design and engineering work as part of the Big Istanbul Tunnel project on November 30, said a message posted on the ministry's website.
According to the tender terms, engineering and design work is planned to be completed within a year, the message said.
According to the message, the project cost is 30 million Turkish liras, of which 7.5 million Turkish liras are envisaged for paying for the work within the tender.
The project envisages the construction of the world's first three-level tunnel under the Bosphorus Strait in Istanbul. The tunnel is planned to be laid at a depth of 110 meters. Its length will reach 6.5 kilometers. A railroad and two highways, which will connect the Asian and European parts of Istanbul, will stretch through the tunnel.
The tunnel will connect three Istanbul airports and Istanbul railway routes. Its capacity will reach 6.5 million passengers per year. The travel time between the two parts of Istanbul will reach 14 minutes due to the tunnel.