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CTA/Blue Line trains collide in Forest Park


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#21 CNJRoss

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Posted 18 April 2015 - 08:10 PM

If a runaway train gets on a track signaled for operation in the opposite direction to its direction of motion, will the mechanical trips which are presumably facing the other way work at all?

NTSB report, page 6:
 

 

The train passed five train stop mechanisms (or automatic trip stops) between Forest Park interlocking and Harlem-Congress Station.  Physical strike marks, signal data logs, and video recorders verified the train stop mechanisms were in the raised position as the unoccupied cars passed.  As the five train-stop mechanisms were engaged by the cars, a penalty brake application was initiated.   The cars came to a stop, which was the first requirement to recover after a penalty brake application.  The cars were initially left unattended in the Forest Park yard with the master lever in the B3 braking position.  This was the second condition that needed to be met before a train could recover from a penalty brake application.

 

Following every penalty brake application, the unoccupied cars came to a stop, but they recovered and continued to move until they struck the stopped train at the Harlem-Congress station.

 



#22 CNJRoss

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Posted 27 February 2016 - 04:52 PM

WGN Radio, Chicago, IL 2/26:
 

CTA releases video of 2013 ‘ghost train’ collision

 

The Chicago Transit Authority has released video of a collision involving an empty moving train, dubbed the "ghost train."

 

On September 30, 2013 the unmanned four-car train rolled out of the CTA West Side rail yard, accelerated down the Blue Line at a speed of about 24 miles an hour, then crashed into another train loaded with morning commuters at the Harlem station.

 

WGN Radio received security video from the so-called “ghost train” crash following a Freedom of Information Act request.

 

The video captures several camera angles the moments just prior to, during and after impact.

 

Continue here w/video.

 

Check out the man in the red jacket in car 3030; (1:35).  He needs an acting lesson!






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