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Posted by BMTman on Sat Jan 11 10:04:15 2003, in response to Re: "Tunnel Rat" Responds to SubTalk Discussion on 76th Street Station (Queens IND),
posted by buildmorelines on Sat Jan 11 08:25:11 2003.
If my memory is correct Type I would be original IRT style trackbed. Best way to tell the difference: Type I has standard type trackage where crossties run full width of trackbed....while Type II has that section cut out in the middle for water drainage (and for use as a safety-area should someone fall on the tracks). Also, you notice that the ties (half-ties actually) are embedded in concrete.
IIRC, after unification, all rebuilt trackbeds follow the IND type II design.
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