Tremont Subway Bellmouth

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Tremont Subway Bellmouth

Postby FP10 » Thu Sep 27, 2012 4:53 pm

Does anyone know if the bellmouth for the Pleasant St portal is before or after Stuart St?
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Re: Tremont Subway Bellmouth

Postby 3rdrail » Thu Sep 27, 2012 5:03 pm

It's approximately one block south of Stuart by Hollis St. and the large parking garage.

http://photos.greatrails.net/showpic/?2 ... y&BOOL=ALL
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Re: Tremont Subway Bellmouth

Postby FP10 » Thu Sep 27, 2012 6:16 pm

Damn, so if the Stuart Street subway were built it would destroy the split, disallowing the possibility of a future Washington Street line?

(Unless you did an absurd deep-bore sweeping curve under Bay Village, or a similarly expensive and complicated new flying junction somewhere north, I assume.)
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Re: Tremont Subway Bellmouth

Postby 3rdrail » Thu Sep 27, 2012 6:22 pm

You've gone over my head on this one, buddy ! :-)
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Re: Tremont Subway Bellmouth

Postby Elcamo » Thu Sep 27, 2012 10:26 pm

Stuart Street subway?
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Re: Tremont Subway Bellmouth

Postby The EGE » Thu Sep 27, 2012 10:56 pm

Oft-proposed plan, in a lot of the old commission reports, to build a 2-track subway branching off near the Pleasant Street Portal and running down Stuart Street. Until 1941 the Huntington Avenue line came up at Boylston portal and crossed Copley at grade, causing predictable traffic problems. The Huntington Avenue subway was built as a partial replacement (and was intended to be continued to at least Brigham Circle) and the Stuart Street Subway idea was scrapped.

Now it would probably make sense again what with the congestion in the Boylston Street Subway. Build 4 tracks Park Street - Government Center, and then you no lognger have more than 3 branches on any section of 2-track line. That'd even give you the capacity to, as FP10 suggests, reusing the southern branch as a link to a Washington Street line.

Previous Stuart Street thread

Map of modern Stuart Street proposal
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Re: Tremont Subway Bellmouth

Postby BostonUrbEx » Fri Sep 28, 2012 7:07 am



That's just Van's amateur proposal, not anything from an actual document. There's actual plans in the library at the State Transpo Building. And I may have some pictures of them buried in my Flickr somewhere -- I'll do some digging.
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Re: Tremont Subway Bellmouth

Postby The EGE » Fri Sep 28, 2012 7:55 am

Yeah, but it's pretty representative of what Stuart Street Subway + 4 tracks Park-Govt would look like.
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