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Which population shapefile did you use? I've wanted to do some analysis similar to this but finding a good population shapefile has been annoying enough to push me to do other things. Anyways, my only real suggestion is that it's convention to have a north arrow, so don't forget to add that.

Like this?

I have BL to Brandeis/Roberts on my almost finished map as well, the route I'm using for my head-cannon is a TBM tunnel from the current Longwood D Branch stop to Watertown Sq via Coolidge Corner, Brighton Center, and Arsenal Yards, then continuing west before surfacing at the current Watertown...

Yes they were in service, the Tremont St Subway was used to link the Charlestown El and the Washington St El for 7 years before the Washington St subway was finished.

Just doing a quick measure on Google Earth and it seems like the new B Branch stops and Columbus Ave stops are all about 9 feet wide, so I'd assume they'd go for the same width on this project.

At the meeting I believe the requirements mentioned were that the platforms are required to be 9 feet wide, the transit lanes need to be 12 feet wide, and the two-lane cycle path will be 13 feet wide.

They'll probably release a new schedule for the Lowell Line whenever it reopens.

Map for the new timetable ...and the SCR version: For now I'm taking the lazy route and not adding more symbols and/or text to show the weird RL transfer at Braintree for the last Inbound Kingston train.

Schedule oddities: They've really ramped up the late night outbound "Get on this other line then change at X to the one you want" trains. Newburyport, Kingston, and Needham all have this now. Kingston has the privilege of the last inbound train doing that but with the RL at Braintree (I have no...

I mean, to some extent this is true, but this is also a major case of "People aren't shopping for things that don't really exist." Make duplexes available and people will buy them.

I would consider this way too vague/broad to be broadly applicable, this is really something that needs to be handled case-by-case by people familiar with the area they're zoning. There are places like Dedham Corporate center, where a quarter mile radius would require the rezoning of areas on...

Yeah this is what the official MBTA style does, but I'm still finalizing the actual layout of the lines and so I just haven't gotten around to finishing up all the details. There's still some missing station names, missing terminus line blobs, missing outlines over the water and CR, etc. The...

Getting the UR to make a perfect U is so satisfying that I just need to share it. While I'm here, if there was a station under the Tobin Bridge at Tremont St, should it be called Charlestown, Bunker Hill, Navy Yard, or something else?

Ah that makes sense, I thought we were talking about effectively bolting a rail layer on top of the existing CAT.

Are you suggesting that the state should impose zoning plans on the towns? Because I will disagree with you there, I don't think that brings any significant benefit outside of maybe simplifying a couple court cases while serving to antagonize both people and local governments.

My concern is not necessarily that the grade over the CAT is too steep, it's that this area is to some degree infringed upon by all the ramps, and that makes weaving a tunnel through said ramps without exceeding a 3% grade impossible. You'd for sure need to go under the Callahan tunnel ramps...

The choke point I would be much more concerned about is the Sumner/Callahan interchange. I believe 93S->Callahan has some pretty crazy swings in elevation that you'd need to navigate while also avoiding the Government Center exit and the Sumner ramps.

If we want to contain urban sprawl, perhaps this area should be turned into a green belt. If that is not a significant regional policy, it should be up to the farmers who own the land. If they want to sell to developers who want to build new homes I don't see why government has any business...

The 2018 study proposed building the platforms within the bore. (And for good reason, when you're this deep it makes construction of the stations significantly easier.) You'd need a bore even bigger than the Seattle one to make that work, I'm not sure if that's possible/feasible.