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Positive Train Control: Positive Train Control

Federal Railroad Administration

National Transportation Safety Board

Association of American Railroads

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What is Positive Train Control?

From Union Pacific:

Positive Train Control (PTC) is an advanced system designed to automatically stop a train before certain accidents occur. In particular, PTC is designed to prevent:

  • Train-to-train collisions
  • Derailments caused by excessive train speed
  • Train movements through misaligned track switches
  • Unauthorized train entry into work zones.

 

 

Read more here.

PTC and Metra

What is positive train control and why wasn’t it being used in the Amtrak train crash?

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