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Well, serves me right for commenting without checking data: I grabbed a random day from the Transit Matters headways/departures data (March 5) and, yup, during the morning peak there were 30 trains per hour leaving Park Street going to Government Center. So, yes, the T is actually hitting 30 tph...

@Stlin, thanks for digging this out! If you have the link to the 1993 doc handy, I'd love to look. (I found one document from '93, but I think this may have come from the appendix, which wasn't included.) @Teban54, I think this might actually answer our questions about Lincoln/Essex/Surface...

Ah oops, I see. In fact, I’m actually suggesting that Criss Cross would either loop some trains at Park, or would add a northbound crossover north of the station, or both. (This detail is tucked subtly into the track diagrams above, but I should have mentioned it more clearly. ) Yeah. And it’s...

The South Station <> Longwood 1SR: So, setting aside the quad-track/upstairs-downstairs idea I just mentioned, I do want to talk about the South Station <> LMA 1SR question in terms of my original map above. This was also one of my biggest hesitations. But a few things changed my mind: The...

Great to have you back! At least some of these points were ones I anticipated :) So I actually think this isn't quite as drastic as it seems. One of the big things to highlight at the outset is the capacity boost from full usage of Park St quad tracks. One of the downsides of Tripod is that...

I believe the most recent Northern Tier study included intermediate stops west of Fitchburg. (I myself still prefer the Z route, and somewhere on my blog have a more detailed walkthrough.)

I'm gonna stop now (for my own sanity as much as anything else) but this perhaps seems like the least painful: Portal + median on a pedestrianized Essex St (I guess it doesn't even have to be pedestrianized though) Traffic light Run along the western side of Surface Road where there's wider...

This is a point that would be worth closer studying and modeling. In principle, I agree with you, but I think it's worth highlighting that South Station (on the Seaport branch) is arguably the better access point to Downtown -- the central employment axis of downtown is along Congress St, not...

Yes, to clarify, I was suggesting using a TBM to reach Essex St, to use the same insertion point as the other options.

Yeah. Tripod would probably work better if it tried to do one fewer thing. For example, if it were only the B or C running on the Inner Loop, then I might be less skeptical. Or if there weren't a branch to Nubian, or if it didn't need to handle a branch to Heath St/Hyde Square. Remove any one of...

I've been trying to write a version of this post for, like, a month now, and it just keeps on getting away from me. So I'm going to try to just get something of it out now -- I can always come back to the thread and add more later! A little less than a year ago, I took my suggested model for a...

I have (multiple) other projects I'm working on that I want to knock out, but I can hear this idea luring me down the rabbit hole...

Yeah, this is my suggestion for an open BRT network. There's a lot of flexibility opened up by this. (And, I mean, it does kinda make sense: office parks were designed to be reached by large numbers of vehicles, with roughly equal ratio of vehicles to destination pairs, that are funneled through...

For funsies, here's the elevation profile of the Woburn <> Burlington power line ROW according to Google Earth Pro: Some problem points: Looking at the most painful of these: ^ This one is probably the "easiest" to address, in that it would be about 1000 feet, and the cut...

[alt text: screen capture from Star Trek II: The Wrath of Khan, where Kirk is looking to Spock, who is subtitled as saying "His pattern indicates two-dimensional thinking."] (I say self-deprecatingly.) There are other ways to handle steep grades, including open cuts, but agreed that that...

Building transit to 128's Office Parks Phase -1: Maximize bidirectional all-day frequencies to Anderson/Woburn, Dedham Corp Ctr, and Route 128. I don't think any of this has a prayer of working without 20-min frequencies at the very least (and I think it's possible it'd still be DOA...

The second goal of an Outer Ring 128 service would be serving (specific) supersized office parks. I would argue that this is actually a better primary goal, and a better starting point for planning. The "Route 128 Corridor" has long been noted for being home to a range of technology companies...

Alright, so let me explain some of my thinking and observations here. First, we should articulate two (separate) goals of 128 service. The "Outer Ring" problem: This is a generic problem that impacts all systems of this size. If you live in Braintree and work in Auburndale, it sucks to take...

Prompted by this discussion, I made a Google Map. I'll try to post more detail tomorrow, though I'm guessing a fair amount of what I'll say will be self-evident in the map.

Wait a second, yeah, this is really interesting. (I like the other Phases too, some overlap with ideas I’ve been playing around with myself.) The main question would be: is it faster to the get to the TV Place et al jobs from Auburndale via a light rail Aldgate Junction at Cook St, or a bus...