Amtrak Derailment Highlights Delays In Implementing New Safety Measures Positive train control technology was installed but not activated on the track where a deadly derailment occurred on Monday. The technology was still being tested and set to be turned on next year. Positive train control technology was installed but not activated on the track where a deadly derailment occurred on Monday. The technology was still being tested and set to be turned on next year. Business
Positive train control technology was installed but not activated on the track where a deadly derailment occurred on Monday. The technology was still being tested and set to be turned on next year.
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