Details of the Bosphorus Tunnel

Client: Republic of Turkey, Ministry of Transportation

Technical Data:

Total length of railway line:

76 km

 - Bored tunnel

8.6 km

 - Immersed tunnel:

1.8 km

 - Cut and cover section:

2.3 km

Number of stations:

37

Capacity (number of persons per hour per direction):

75,000

Grade:

max 0.18%

Max speed:

100 km/hour

Operation speed:

45 km/hour

Costs:

Investment in infrastructure:

US$ 1.6 billion

Investment in trains:

US$ 1.0 billion

Time Schedule:

Construction start:

2003

Operation start:

Mid 2007