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Old 03-15-2019, 11:42 AM   #1241
tysmith95
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Re: Silver Line to Chelsea

The Silver Line is in no way "rapid" in the Seaport. It crawls in the tunnel, and then does a crazy loop through traffic to get in the tunnel.

Make the tunnel a guided bus-way, allow it to use the "state police" ramp, then give the Silver line a dedicated lane going westbound into the tunnel and then you'd get "Bus Rapid Transit". But the current Silver Line is a sad excuse for BRT.
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Old 03-15-2019, 11:58 AM   #1242
F-Line to Dudley
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Re: Silver Line to Chelsea

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Originally Posted by HelloBostonHi View Post
I believe they did make feasible plans to have phase three work. There was simply opposition based on the modification to the above ground road network necessary and the shocking price tag. But I swear I've seen a variety of plausible options throughout the years.
It wasn't feasible, though...because the buses' performance in the tunnel was so horrible that most service in both directions was to be forced to loop at Boylston. Shit grades, shit curves induced by the surface impacts begat shit performance as the design got whittled down, which only exacerbates what's already an issue in the Transitway. Case-in-point: the double-deck Chinatown BRT platforms being a speed killer on the climb while the underpinning of the 1908 Orange platforms induces a cost blowout.

It was not a tunnel worth building at any cost, because it couldn't do its job on any of the available BRT design alternatives. The fact that they kinda sorta found a physical path to the South End that stood a chance of getting a construction permit was immaterial, because the battle to fashion useful transit out of it had already been lost. The extreme price tag was just the cherry on top.
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Old 03-15-2019, 12:02 PM   #1243
TallIsGood
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Re: Silver Line to Chelsea

See p 14. https://books.google.com/books?id=Ph...20rail&f=false
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Old 03-16-2019, 09:11 AM   #1244
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Re: Silver Line to Chelsea

Globe: Silver Line route extending to Sullivan Square, North Station and Kendall

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Originally Posted by Adam Vaccaro, Boston Globe
One year after the state extended the Silver Line to Chelsea, officials are now planning additional new service into Cambridge, Charlestown and beyond.

A coalition of state, municipal, and regional agencies this week said they were planning to extend the route of the Silver Line from Chelsea to Sullivan Square and beyond, along two courses: one would go to North Station in Boston; the second would course through Somerville, ending at Kendall Square.

While the new service might not be in a Silver Line bus, the routes would likely run within their own roads for much of the trip, similar to the dedicated busway in Chelsea, before moving onto bus-only lanes on local streets to complete the trip. And both would have stops at the new Encore Boston Harbor casino in Everett, scheduled to open this spring.

[...]
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Old 03-16-2019, 10:51 AM   #1245
jklo
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Re: Silver Line to Chelsea

I'm assuming they are talking about laying pavement next to the CR tracks... which it does look like there's room for it down to Assembly albeit you would need to build a new bridge over the Mystic. Beyond that it'd have to be surface streets I guess. Needless to say the CR would be way faster to NS.
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Old 03-16-2019, 06:23 PM   #1246
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Re: Silver Line to Chelsea

Finally! Crucial part of the urban ring.

Would like it to be heavy or light rail if possible, though.
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Old 03-16-2019, 07:43 PM   #1247
George_Apley
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Re: Silver Line to Chelsea

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Finally! Crucial part of the urban ring.

Would like it to be heavy or light rail if possible, though.
Would be pretty straight forward to convert the Chelsea busway to LRT and hookup to the Green Line system west of the Boston Engine Terminal and send to the Grand Junction. It's been discussed in many threads in the "Design a Better Boston" forum.
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Old 03-17-2019, 05:13 PM   #1248
jklo
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Re: Silver Line to Chelsea

Might be able to attract some CR riders whose destination is Assembly to get off at Chelsea and transfer there instead of going all the way to NS and taking the Orange back up.
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Old 03-18-2019, 06:26 AM   #1249
tysmith95
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Re: Silver Line to Chelsea

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Originally Posted by BussesAin'tTrains View Post
Would be pretty straight forward to convert the Chelsea busway to LRT and hookup to the Green Line system west of the Boston Engine Terminal and send to the Grand Junction. It's been discussed in many threads in the "Design a Better Boston" forum.
Biggest issue is the Logan tunnels. Though some sort of dual mode bus/rail route might work.
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Old 03-18-2019, 07:01 AM   #1250
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Re: Silver Line to Chelsea

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Biggest issue is the Logan tunnels. Though some sort of dual mode bus/rail route might work.
No, no...the primary routing for LRT would switch to west out of Lechmere + Sullivan (or a thru-routing from Kendall + Sullivan), and not south out of the Transitway and Ted. That's how you solve the Chelsea St. bridge problem: on the Urban Ring it's at the end of the line, not beginning. Everett-Chelsea get served free from bridge openings, and the only stop that may get held up by an opening is Logan...which has 2 other lines (Blue + SL1) serving it to mitigate that problem.

In an LRT conversion, SL3 probably goes away altogether and SL1 gets tweaked to stop at the Blue Line stop for further transfer to the Urban Ring. More transfer opportunities for Chelsea since they'd be going into the subway, and LRT would be more schedule-accurate not needing to deal with the Ted...as well as probably outright faster on the grade separation. So despite it being an inversion of the SL3 routing to the opposite direction, Urban Ring light rail would be across-the-board superior service for those communities.
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