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| Re: (7) line extension update photos 6/2013 (1230203) | |||
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Re: (7) line extension update photos 6/2013 |
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Posted by randyo on Thu Jun 20 14:59:57 2013, in response to Re: (7) line extension update photos 6/2013, posted by zac on Thu Jun 20 14:41:54 2013. The Steinway tubes and the original IRT. Also during the dual contract construction, it was realized that since certain new IRT lines would be connected to the original subway, the 7 Av Line from T/Sq south while built with slightly larger clearances than the original subway, it was not built to the same specs as upper Lex or the BMT. |
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