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| Re: Bellmouths and tunnel expansions (1249064) | |||
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Re: Bellmouths and tunnel expansions |
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Posted by Edwards! on Mon Sep 23 02:52:33 2013, in response to Re: Bellmouths and tunnel expansions, posted by Howard Fein on Thu Oct 18 08:24:46 2007. The Smith st line is cut and cover,shield bored tunnel,particularly in the area you mentioned due to the hilly terrain.Before the subway was built..Queens Blvd was more like a country road connecting LIC to the Courts in Kew Gardens and Jamaica. The IND had plans for the line to split in another section away from the mainline[see early plans for the IND SYSTEM..LOCATED at the QUEENS PUBLIC LIBRARY'S MAIN BRANCH LONG ISLAND ROOM]for "extra capacity"..something that didn't make it into the completed route,except for the Woodhaven Blvd station provisions...and the Broadway/Steinway st tunnels. the new tunnels were to be located under the off side of the main thoroughfare.. Later..plans had the extra track[reduced to one for bidirectional traffic] moved to the old Rockaway branch along side the LIRR. The CPW line was an odd one. The line originally "belonged" to the PSC..with the intentions of getting the BRT/BMT to partially fund, build/operate this line as and extension of its Broadway subway line through the heart of Manhattan. History has The former mayor "Red Mike Hylan" as the major road block to any private line expansion..Hylan's Board Of Transportation..created to take over subway building from the PSC..mapped out miles of new subway lines..all coming out of the BOT's adaptation of the BMT's CPW route. The IND route plan had several former piecemeal BMT planned routes connected at various points to create a seamless string of subway lines[AS CLEARLY indicated by the 8th ave subway]. ..the IND DID LEAVE space for a two track double deck line along side its own on CPW..but due to the complicated construction THAT would need to be undertaken..it was decided that the line would deep bore under the park...to Morningside Hts. The IND subway was and is a marvel of modern engineering for it time.. one has to truly wonder what it would have looked like if it ever was completed in full. |
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