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Green Line Connection: The concourse between Boylston Street and the new platform is less than 500 ft . The walk is about the length of an orange line platform. As this approximately 2 minute walk will be more convenient than a double transfer I imagine it will be well used. The winter street...

Here is a scheme that creates a one transfer connection between the Green and Orange Lines to the Seaport Via South Station. This scheme differs with other schemes discussed in that it is not an extension of the Green Line. The advantage is that some of the difficulties in making that...

That would be a big loss for the bus terminal. I know at least a few of the bus lines (Dartmouth Coach for example) stop at South Station on the way to Logan.

[/IMG] Here is a modified version of Shepard's HOV tunnel conversion scheme. As discussed in the past the Green Line is extended along the existing Tremont Street tunnel to a new underground station which connects to the Orange Line at Tufts Medical. From here the tunnel is extended under the...

Cybah, thank you for taking the time to take these pictures and to post them here! I look forward to scrolling through them each month. It looks like the newish developments along Gerrish Ave have two existing sidewalks which the community path will connect to. That will be great. Also the...

I measured South Street from the Cad files on the BRA website. http://www.bostonredevelopmentauthority.org/planning/urban-design/urban-design-technology-group/downloads-and-submissions It is at its narrowest 59 ft building to building. Hudson Street is 49ft building to building. I do agree...

Here's a slightly modified Marginal Street alignment to South Station. It is based on a scheme DaveM posted a while back. The difference here is that this scheme connects to the Transit Way tunnel at the Essex Street bellmouth after running under South Street, instead of extending the transit...

The genesis of this scheme began with working out a portal location for a light rail extension to Dudley Sq. Creating a portal in the Pike / NEC trench seemed like it could be problematic due to the incline slope required to reach the street level above while avoiding the Washington Street and...

If there's 10 ft of concrete completely around the red line platform that would certainly make this tough. However, I believe the platform was extended further under the Dewey Sq tunnel in 1985 for the longer train sets, so that would be somewhat encouraging that continuing further under the...

1969 Aerial Enlargement of connection from Summer Street Concourse to Red Line Platforms Here is a more detailed look at how the existing Summer Street Concourse would be connected to the Outbound Red Line platform (with existing convenient connection to the Silver Line). I have marked the...

[/IMG] [/IMG] The Summer Street Concourse https://en.wikipedia.org/wiki/Winter_Street_Concourse I have posted several alternate schemes to create better connections to South Station from the Green and Orange Lines and by extension creating better connections to the Seaport District. This...

The flood map you linked shows that virtually every trench in Boston has a 6' or greater flood risk. This includes the existing Silver Line D street portal, the existing orange line portal from the pike, a future portal in the pike trench to Washington street, the south west corridor orange...

Here is an expanded view of the proposal showing how the route could work with the rest of the T network. Instead of connecting the Green Line to the Silver Line Transit Way at South Station this pitch makes the connection at the D Street Portal. While Courthouse station is fairly far from...

[/IMG] Here is a crazy transit pitch to send a light rail line starting from the Tremont Street Subway, continuing to a new transfer station with Orange at Tufts. It then crosses either over or under the orange line and under the Pike. Next it continues under Herald Street (at station could...

[/IMG] This image is on page 20 of the attached. https://www.mbta.com/uploadedfiles/About_the_T/T_Projects/T_Projects_List/Executive_Summary.pdf The only portal width dimension I can find for Silver Line Phase III is for the Columbus Ave portal. It is listed at 34ft wide...

I would love to read about the reviewed and rejected portal options between South Station and the Common. I have found these options for portals after Boylston but nothing for before. https://www.mbta.com/uploadedfiles/About_the_T/T_Projects/T_Projects_List/CH%202%20-Final%20DEIS.pdf I am...

http://mapjunction.com/mj/start/boston The link above allows you to overlay aerials and maps from various times on a current aerial. If you click the arrow in the bottom center of the screen the overlay options expand. If you look at the 1969 aerial this part of Ave De Lafayette was not yet...

Continuing the idea of completing the full Green Line to Transit Way build incrementally, perhaps building the Transit Way tunnel from the existing bellmouth at Essex Street to an Ave De Lafayette portal could be financed in the not too distant future. If a portal were possible here it would...

Here is an image I found online which shows the former Tremont Street Subway portal at the current Elliot Norton Park. As reactivating the Tremont Street Subway is discussed in many Green Line reconfiguration proposals, I thought people would find this image interesting.

All of this shipwreck talk makes me wonder if a Boston museum focusing on seafaring would be viable? Fortpoint channel or East Boston could be good sites.