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I think if the Blue Line is going to be extended beyond West Station (or Boston Landing), it should be TBM at least under the 57. I'm more agnostic about what happens west of Newton Corner. The way I see it, there are two possibilities: A) high frequency Regional Rail service sees explosive...

Fire at/on top of South Station https://x.com/onlyinbos/status/1777684046232830444?s=46&t=BftsCnAlkCvA1VBAf0kXSg

A new sign design was posted in a Facebook group (though without attribution, so I don’t know the source). EDIT: should have checked my email first — it came from a BNRD email just now.

Definitely a *two-man proposal! I haven't emphasized this idea as much myself because I think there are some unique operational and branding questions, to which I still haven't quite found satisfactory answers... but the concept/goal itself is definitely one I support, for all the reasons you...

+1. The perfect easily becomes the enemy of the good here. As I understand it, Fairmount ridership has responded very positively (i.e. has grown significantly) to the increase to hourly, and now 45-min, frequencies. It seems extremely likely that that increase will be linear (if not better)...

I've waxed eloquent about that doc in the past, but it really is a bonkers piece of work. Case in point: IIRC, the cost calculations for the 4-track alternative (specifically the portal works cost)... don't seem to account for the South Bay portal? Despite having 33% more portals than the other...

Things that are orthogonal to this particular proposed topology: Harvard <> Longwood connectivity: in the design above, I've opted for a "Node Kenmore" approach that centralizes transfers between northside and southside Urban Ring services at Kenmore, at the expense of direct service to...

I need a little bit of escape from IRL, so how about I completely turn my version of the Green Line Reconfiguration on its ear? (The map is not perfect, which annoys me, but oh well.) "Project Criss Cross" routes Kenmore branches to Seaport, and sends all Huntington + Nubian trains into the...

I think you will run into trouble with the (very inconveniently located) wetlands north of Route 128. If the Old Colony stations are any indication, the T prefers its center platforms to be "double width" (e.g. 24' instead of 12'). In practice, perhaps that could be condensed, but given that we...

Jumping back here (gosh golly, it's almost like different components of the transit network are interconnected 😄): Teban54's analysis strongly suggests that there is demand for a Hyde Park <> LMA service: I agree with @The Ratmeister that, if possible, the ideal solution here is increased...

Cool, TIL! Thanks! This seems to buttress the idea that the 39 is likely a key component of a popular Hyde Park <> LMA 2SR. (More in that thread later.) From a Regional Rail perspective, it really is a shame that a bypass like the South Cove Loop isn't practical. Running a Fairmount service...

Right, but that's what I'm saying won't work: everywhere else except the station, the space to add the fourth track is on the western side, where there's even an empty slot under the catenary towers/arches/I-can't-remember-the-term; if you add the track on the eastern side, then all of the...

tl;dr: if Hyde Park can be quad-tracked, then yes I think that cumulative "show-up-and-go" ("SUAG") Purple Line frequencies should be achievable there one way or another. But that's a medium-sized "if". I think this could be doable, but keep in mind it will take something like 2000 feet to...

Thank you! My apologies, I always forget that spreadsheet exists. Full agree with all of this. Agree in principle, but IIRC Hyde Park poses challenges for NEC Quad-Tracking (long-term desire for Amtrak) -- @F-Line to Dudley has more background on this. I also don't know that I would expect...

That data is really fascinating. What's your source? (Stray observations: The 31 and 21 have comparable ridership, despite the 31 historically running 2x-3x as often. The 16 does quite well, given that it requires a little bit of a doubleback.) The "Arborway Transfer" use case is an interesting...

Sorry, can you remind me where this stat comes from? (I know there's been a lot of back and forth, so I may have missed it.) It is true that the BERY model is basically designed to make all trips 2SRs (under the assumption that everyone is commuting into downtown). But with multiple "downtowns"...

Yeah, I see what you mean, fair point. OL East ...I did? I didn't mean to. The pale green lines with black centerlines are meant to be BRT corridors, running modified versions of the T22, T23, and T28 (if not more). I did include an LRT line along this corridor on my Transportation Dreams...

Making good on this promise now. I was gonna write more background here, but I've already written a lot on the general topic of the Dorchester bus network and what makes it unique. (See for example here.) One of the things I've been thinking about for a while is the way that multiple paths...

That's a fair argument!

This is definitely a fair rejoinder and an interesting point. Lots of variables that I think may impact this, including job locations/destinations, walking distance tolerance, travel time tolerance, and we've talked about some of those in the past. But this does bring up an idea we've...