21st Century Freight Trains

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Wall Street Journal

article describes how advances in digital technology are revolutionizing the freight rail business. It describes how “major railroads are installing digital communications, global positioning receivers, sensors and computerized controls on their trains and tracks…..Digital cameras and microphones on the tracks are working on monitoring train conditions to determine when equipment needs to enter a shop for maintenance.” Some of these technologies are either in place now or being tested for deployment in the future, making rail one of the most efficient transportation modes right now.