Public transport in Istanbul comprises a bus network, railway systems, funiculars, and maritime services. to serve the more than 13 million people.
The Tunnel is a short underground railway line in Istanbul, Turkey. It is an underground funicular with two stations, connecting the quarters of Karaköy and Beyoğlu. The Tunnel was originally conceived by the French engineer Eugène-Henri Gavand in 1867. In the beginning, only freight and livestock were transported. On January 1875, after completing the test runs, the funicular was opened to the public. It is still in service. Tunnel is the second-oldestsubterranean urban rail line in the world. The first one was London Underground (1863)
Tunnel has always been special for Beyoglu lovers. Tunnel is one of the symbols of İstanbul. Tunnel is used by tourists who would like walk to the Sultanahmet. Then the station on Istiklal avenue is also the starting point of the street tram for to Taxim Square.
130 years after the startup of the Tunnel, Istanbul will see the opening of a second funicular at the the end of 2005. It will also connect, the bank of the Bosphorus to the district of Beyoglu: Taksim – Kabatas.