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erin dnt frates how positive train control works_00001102
erin dnt frates how positive train control works_00001102

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    How positive train control technology works

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How positive train control technology works

CNN's Chris Frates reports goes inside the engineer's cabin of a passenger train to learn how technology is used to prevent crashes and derailments.

How positive train control technology works

CNN's Chris Frates reports goes inside the engineer's cabin of a passenger train to learn how technology is used to prevent crashes and derailments.