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High Speed Train HS2
TcpMDT StandardSurveying projects. United Kingdom. Engineering.
Sinifana Tunnel - Pacifico 1 Consortium.
TcpStereoControl of tunnel works. Medellín (Colombia). Construction.
TcpScancyrControl of works of underground galleries. Calama (Chile). Mining.
The F4 line of Istanbul Metro, officially referred to as the Boğaziçi Üni./Hisarüstü–Aşiyan is an 850 m long funicular railway, currently under construction, in Beşiktaş, Istanbul. When completed, it will become the fourth funicular line in Istanbul as well as the longest, surpassing the F3 line by 100 m. The line will traverse a height difference of about 116.1 m and total travel time is estimated at 2 minutes and 30 seconds.+ INFO