New train crash technology may be the difference in lives lost due to vehicle collisions
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Two particular technologies are often of great interest to the National Transportation Safety Board whenever they investigate the collision between a vehicle and a train: the effectiveness and application of the crash energy management technology, which can use a number of different technologies to dissipate and absorb the force of impact, and Positive Train Control. Positive Train Control is intended to be a system that will allow PTC signals from many sources to communicate with each other. PTC is designed to stop train-to-train collisions, derailments caused by speed violations and other unauthorized movements.