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Reply to "NS Derailment in PA"

Dominic Mazoch posted:

Correct me if I am wrong.  PTC would not have stopped the train running at Restricted Speed? 

Correct. Plus, PTC has no real idea of what is ahead of you, as it depends on track circuits (pretty much just like signal systems), and thus has no idea where the rear end go the train ahead is (at least until the new/future FRED units begin to transmit that information).

OK, the engineer was not operating the train according to the rules. 

Correct again.

And I agree, one should not fully depend on PTC to get one out of trouble.  But if PTC cannot stop a train running RS, then what other safety issues are out there with this system?

None that I'm aware of. The proper compliance with the "Restricted Speed" rules has always been EXTREMELY important. Apparently the newer generation of operating crews are depending WAY TOO MUCH on the technology? 

 

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