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The Eurasia Tunnel (Turkish: Avrasya Tüneli) is a road tunnel in Istanbul, Turkey, crossing underneath the Bosphorus Strait. The tunnel was officially opened on 20 December 2016 [ 4 ] [ 5 ] [ 6 ] and opened to traffic on 22 December 2016.
An undersea water supply tunnel with a length of 5,551 m (18,212 ft), [49] named the Bosporus Water Tunnel, was constructed in 2012 to transfer water from the Melen Creek in Düzce Province (to the east of the Bosporus strait, in northwestern Anatolia) to the European side of Istanbul, a distance of 185 km (115 mi).
This section of the tunnel is 1,387 m (4,551 ft) long and consists of 11 sections lowered via barges on the Bosporus. Eight of these sections have a length of 135 m (443 ft), two of them have a length of 98.5 m (323 ft) and one with a length of 100 m (330 ft). These immersed tube tunnels are connected via bored-tunnels on both sides. [3]
The project involved building a 13.6-kilometre (8.5 mi) tunnel under the Bosphorus and upgrading 63 kilometres (39.1 mi) of existing suburban railway lines to create a 76.6-kilometre (47.6 mi) high-capacity passenger line between Halkalı and Gebze, along with the provision of 440 electric multiple unit carriages.
Bosporus tunnel may refer to any of several tunnels under the Bosporus, connecting the European and Asian sides of Istanbul, specifically: The Bosporus Water Tunnel, an aqueduct; The Marmaray Tunnel, a railway tunnel; The Eurasia Tunnel, a road tunnel
Eysturoy Tunnel, which opened in 2020, took four years to complete. It dramatically cut the travel time between the Faroe Islands capital on the island of Streymoy and neighboring Eysturoy island.
The Great Istanbul Tunnel (Turkish: Büyük İstanbul Tüneli) is an under-construction multi-use highway and railway undersea tunnel in Istanbul, Turkey to cross the Bosphorus strait connecting the Europe side and Asia side.
The Bosphorus Water Tunnel (Turkish: Boğaziçi Su Tüneli) or Bosporus aqueduct is an undersea aqueduct in Istanbul, Turkey, crossing the Bosphorus strait. It was constructed in 2012 to transfer water from the Melen Creek in Düzce Province to the European side of Istanbul.