News release: “Transportation Secretary Ray LaHood and Federal Railroad Administrator Joseph Szabo announced proposed rules designed to prevent train collisions through the use of Positive Train Control. The Notice of Proposed Rulemaking (NPRM) prescribes how railroads must use Positive Train Control systems to prevent train-to-train collisions. PTC technology is capable of automatically controlling train speeds and movements should a locomotive engineer fail to take appropriate action. For example, such technology can force a train to stop before it passes a red signal, thereby averting a potential collision. Other benefits of PTC systems include prevention of over-speed derailments and misaligned switches, as well as unauthorized incursions by a train into work zones.”
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