Moscow Metro, probably a biggest free Wi-Fi-network in the world
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Today passengers of the Moscow Subway can't imagine their trip without a free Wi-Fi-network. The number of daily users of Wi-Fi in the Subway has exceeded 2.5 million users, up to 120 users have simultaneous access in each train carriage (each train have 6-8 carriages). As of today, the Moscow Metro has 12 lines and 223 stations and its route length is 381 km (236 mi). The system has an average daily ridership of 6.73 million passengers with a peak of 9.28 million. September 2013 one private company has provided free Wi-Fi access on 2 lines. Therefore the city authorities have opted for the creation of a wireless network in the subway. The investments in the project amounted 56,25 million US dollars, with a seven years payback period. The provider doesn't open the sources of funding and underlines that the project was not involved by a government or municipal funds. How does it work? The most difficult part of the project was the creation of its own signal covera