Profiles of Turkish Public Sector Projects for Foreign Funding in 2000 Railway Transport
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BOSPHORUS RAILWAY TUBE TUNNEL
1998E010050
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Project Description Upgrading Gebze-Halkalı commuter lines and upgrading of power and
electrification, signalling, communication, fare collection and other
electro-mechanical systems.
Executing Agency Gen. Dir. Railway, Ports and Airports Construction (DLHİ)
Location İstanbul
Duration 1998 - 207
Status Upgrading Gebze-Halkalı commuter lines (upgrading the existing 63 km long commuter 
double lines under operational conditions, and converting it to surface metro adding 
a third track, construction of 37 stations, storage Yard/Maintenance Workshops and 
overnight yards) and Upgrading of power and electrification, signalling, communication, 
fare collection and other electro-mechanical systems.
The characteristics of system will be upgraded:
   - Passenger capacity of line 75.000 Per hour-Per direction
   - Max speed 100 km/hour
   - Headway 2 min-10 min.
   - Length of Stations 180 on (minimum)
   - Max. grade % 0,18
This project is a part of Bosphorus Rail Tube Crossing and Gebze-Halkalı surface metro 
system project. Whole project's engineering and consulting service and bosphorus Rail 
Tube Tunnel construction sections will be financed by JBIC (OECF).
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(million US$)
Foreign
TOTAL
Project Cost 
251,4
681,8
Accumulated Expenses as of End 1999
0,0
0,0
2000 Allocation
0,0
251,4
Required Loan Amount
251,4