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Old 01-27-2018, 01:50 PM   #3261
Charlie_mta
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Re: Crazy Transit Pitches

I had read the report and saw the typical sections. Then on another page it showed only one track fitting under Memorial Drive. I doubt if a two-track line will fit along the entire corridor with the proposed path using up the scarce existing space, despite what their typical sections show.
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Old 02-01-2018, 09:25 PM   #3262
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Re: Crazy Transit Pitches

This is a pretty broad level question, not so much a pitch, but does anyone have any particular insight on tunneling under main drags sorts of roads? Like rt 1, 3a, 138, etc. Your usual 4-lane divided routes, filled with strip malls, auto dealerships, and shopping plazas.

At a cursory glance, setting aside whether or not the density itself merits this sort of mass transit, it seems that with the road being so wide and the land next to the roud so often large parking lots, that it would be relatively well-suited to such projects.
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Old 02-02-2018, 10:28 AM   #3263
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Re: Crazy Transit Pitches

^ Those sort of landscapes would be better suited to grade-level light rail, with dense infill TOD? Usually by narrowing lanes, medians, shoulders, and street parking... you can maintain an approximately comparable LOS for traffic while adding transit at lower cost than for tunneling (especially given station costs).
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Old 02-02-2018, 11:16 AM   #3264
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Re: Crazy Transit Pitches

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^ Those sort of landscapes would be better suited to grade-level light rail, with dense infill TOD? Usually by narrowing lanes, medians, shoulders, and street parking... you can maintain an approximately comparable LOS for traffic while adding transit at lower cost than for tunneling (especially given station costs).
Forum ate my reply. Anyway, would this really be much of an improvement over buses given the current density? Grade-level service has to deal with traffic more than Id like.
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Old 02-02-2018, 07:27 PM   #3265
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Re: Crazy Transit Pitches

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Forum ate my reply. Anyway, would this really be much of an improvement over buses given the current density? Grade-level service has to deal with traffic more than Id like.
I see. Maybe tell us more about the problem you were trying to solve in your original posted questions and we can work from there?
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Old 02-02-2018, 08:30 PM   #3266
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Re: Crazy Transit Pitches

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I see. Maybe tell us more about the problem you were trying to solve in your original posted questions and we can work from there?
Problems are for the reasonable transit pitch thread.

Slightly less flippantly, Im looking at this from the perspective of an area that is highly developed, yet also under developed, and is easy to build out more robust infrastructure.
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Old 02-02-2018, 11:37 PM   #3267
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Re: Crazy Transit Pitches

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Forum ate my reply. Anyway, would this really be much of an improvement over buses given the current density? Grade-level service has to deal with traffic more than Id like.
I think "Grade-level" in this case would be a reservation for the tracks separated from the roadway, such as Comm Ave, in which case it would provide better service than buses in mixed traffic.
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Old 02-03-2018, 01:32 PM   #3268
Joel N. Weber II
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Re: Crazy Transit Pitches

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Originally Posted by Charlie_mta View Post
I had read the report and saw the typical sections. Then on another page it showed only one track fitting under Memorial Drive. I doubt if a two-track line will fit along the entire corridor with the proposed path using up the scarce existing space, despite what their typical sections show.
I don't see any reason why it would be terribly difficult to rebuild that Memorial Drive bridge with more space underneath it.

However, there's also the question of what frequency we want for Green Line service there. If we wanted to start with a train every 6 minutes in each direction and the Memorial Drive underpass was going to be the only single track bottleneck, that single track bottleneck probably wouldn't be a big enough deal to justify spending the tens of millions of dollars redoing the bridge. (See also how the Chelsea busway has a one lane for both directions bottleneck under a bridge for similar reasons.)

How wide could we make the Grand Junction bridge across the Charles? I'm wondering if we could have two Green Line tracks plus a bike path plus an I-90 on ramp (if we get rid of Storrow Drive / Soldiers Field Road under the BU bridge such that there'd be a relatively direct path to I-90 westbound once the Grand Junction bridge gets to the south side of the river). It's not clear if it would be better to put the start of the on ramp at the rotary, with the on ramp then being on the west side of the Grand Junction bridge, or if it would be better to have it start a bit to the north of Memorial Drive on the east side of the tracks with a connection to Vassar St somewhere.
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Old 02-07-2018, 06:11 PM   #3269
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Re: Crazy Transit Pitches

Run a line along Blue Hill Ave, from Mattapan, following 28 as it becomes Seaver and then Columbus, meeting up with the Orange Line at Jackson Square or Roxbury Crossing. Then, run another branch that breaks off at Columbia, following that up to meet with the Red Line at JFK/UMass.

If we want single seat to Downtown, have this new line be a branch of the Orange Line (Seaver branch) and Red Line (Columbia branch).
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Old 02-12-2018, 04:22 PM   #3270
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Re: Crazy Transit Pitches

Does anyone have any idea what happened to the loop tracks underneath South Station? Wikipedia says that they were only used for a bowling alley and parking lot for employees.

I have a sinking suspicion that they may have been eaten up by the transitway tunnel, but if not they might be an excellent terminal for a transit-ized Fairmount service.
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Old 02-13-2018, 04:08 AM   #3271
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Re: Crazy Transit Pitches

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Does anyone have any idea what happened to the loop tracks underneath South Station? Wikipedia says that they were only used for a bowling alley and parking lot for employees.

I have a sinking suspicion that they may have been eaten up by the transitway tunnel, but if not they might be an excellent terminal for a transit-ized Fairmount service.
Not sure if we're allowed to link to other forums, but the first result from googling "loop tracks South Station" brings up a relevant thread. It sounds like they were intended to be used by the New Haven for electric commuter service which never ended up happening. According to that thread the loop and last section of it's tunnel were destroyed/removed during highway construction under SS

Either way, I think "U-Bahning"/"Rapid Transiting" the Fairmount looks much more attractive when the line continues on to serve somewhere beyond just ending/looping at South Station.
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Old 02-16-2018, 12:20 PM   #3272
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Re: Crazy Transit Pitches

It would definitely work to have a rapid transit line from Fairmount to Salem or Beverly. That would basically eliminate the need for a blue line extension.
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Old 02-16-2018, 01:35 PM   #3273
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Re: Crazy Transit Pitches

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It would definitely work to have a rapid transit line from Fairmount to Salem or Beverly. That would basically eliminate the need for a blue line extension.
I'm not seeing how you could do that without NSRL/Indigo. Maybe converting it to a Red Line branch is possible.
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Old 02-16-2018, 01:45 PM   #3274
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Re: Crazy Transit Pitches

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I'm not seeing how you could do that without NSRL/Indigo. Maybe converting it to a Red Line branch is possible.
I'm talking about the NSRL. The NSRL opens up so many possibilities.
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