Why didn't Amtrak train have latest crash prevention technology?

Описание к видео Why didn't Amtrak train have latest crash prevention technology?

The NTSB said that technology known as Positive Train Control (PTC) could have prevented the derailment of Amtrak Train 188. By law the rail industry has until the end of the year to have it installed. On Thursday Amtrak's president explained the issue they had when they tried installing PTC. Omar Villafranca reports.

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