The landscape for railway telecommunications in Europe has changed drastically since the turn of the century. From 35 separate analogue systems in 2000, a single, interoperable railway communications system now exists across much of the European railway network: GSM-R. The system, which was drawn up by European railways during the 1990s and ultimately chosen over Tetra, provided a positive step towards the digital age. It offered interoperability between different networks for the first time, and enhanced functionality which improved safety and responsiveness. And it has been a major success. In 2016, 60 countries on five continents were using GSM-R, with more than 100,000km of lines covered in Europe, and both green and brownfield networks set to continue rolling it out over the next few years.
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