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| Re: IND Eighth Ave Line - 72nd/81st Street Siding (1329102) | |||
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Re: IND Eighth Ave Line - 72nd/81st Street Siding |
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Posted by randyo on Fri Dec 19 17:26:06 2014, in response to Re: IND Eighth Ave Line - 72nd/81st Street Siding, posted by Michael549 on Fri Dec 19 13:17:33 2014. Actually, even back in the days of the original IND signaling, the GT signals got progressively slower to insure that the trains would approach 59 St at a reasonable enough speed so that they would not overrun the station. Also, for some reason the tail switch that would enable N/B exp trains to be turned south was a facing point switch rather than a trailing point so that a N/B train would cross into the S/B exp track to turn back, contrary to normal practice. As a result, greater signal protection needed to be provided to protect such a train from having a head on with a S/B exp. |
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