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| Re: WMATA: Not So Clandestine Run Of 6 Car Consist Of 7k Cars In Automatic Mode (1480567) | |||
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Re: WMATA: Not So Clandestine Run Of 6 Car Consist Of 7k Cars In Automatic Mode |
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Posted by WMATAGMOAGH on Sun Jul 8 20:37:32 2018, in response to Re: WMATA: Not So Clandestine Run Of 6 Car Consist Of 7k Cars In Automatic Mode, posted by randyo on Sun Jul 8 15:05:34 2018. The requirement that 6 car trains stop at the end of the platforms came about as a result of WMATA disabling the safety system that would prevent train doors from opening if any part of the train wasn't berthed properly. They decided to disable that system after a few instances of electromagnetic interference caused the doors to open on the wrong side of the train, requiring the doors to be opened manually. Then, there were a few instances of 8 car trains stopping at the 6 car marker and the T/O would open the doors with the last car off the platform. Fortunately no one got hurt in any of these incidents, but when they went to all manual operation after the Fort Totten crash, they also had 6 car trains pull all the way up to avoid other issues.Basically, this is akin to one day removing all the zebra boards for the C/Rs in New York and then telling everyone to operate the doors safely with no fallbacks if something goes wrong. |
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