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Old 06-27-2018, 09:44 AM   #1201
DominusNovus
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Re: North-South Rail Link

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Originally Posted by jklo View Post
What about doing a Red Line branch tunnel? Stop at Aquarium and then North Station. Would be way cheaper I imagine.
Would it? Id be surprised if its much cheaper, since youre still boring a tunnel under the city, and, on top of that, you might interfere with a future NSRL.
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Old 06-27-2018, 09:53 AM   #1202
tysmith95
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Re: North-South Rail Link

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Originally Posted by DominusNovus View Post
Would it? Id be surprised if its much cheaper, since youre still boring a tunnel under the city, and, on top of that, you might interfere with a future NSRL.
Plus you're forgoing the real advantage of NSRL which would be an effective capacity increase for both north and south stations plus making it much easier for the northern sector of the commuter rail to get to more of Boston without Boston.

You also have the fact that it's more efficent to go through then it is to stop and turn around.
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Old 06-27-2018, 09:59 AM   #1203
Rover
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Re: North-South Rail Link

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Yep. And if we want a direct connection between West Station and North Station, it actually already exists on the surface, so why would we tunnel for that? A full build out West to North would involve some underpasses for car traffic, a second track and some signalling upgrades. No tunnel is required for establishing that service pattern.
Before somebody goes berserk, I'm not advocating abandoning the NSRL. But I think a Plan B even if more imperfect isn't a bad option. West station to North Station I assume involves the Grand Junction Railroad and bridge at BU which isn't going to be able to handle the traffic so obviously some $$$ would be needed to upgrade. But if you improved that section, be it tunneling, overpasses or whatever, once you get to Beacon Yards you could then send the train over to Back Bay and South Station. I'd be curious what a study of this option showed, especially since using this right of way has already been discussed by the state previously for Worcester to North Station service IIRC.
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Old 06-27-2018, 10:58 AM   #1204
bigeman312
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Re: North-South Rail Link

Who does a NS-BB/SS line via Grand Junction serve?

If you're coming from the North Side and want to get to SS, it would be quicker to transfer to OL at NS.

If you're coming from the South Side and want to get to NS, it would be quicker to transfer to OL at BB.

It doesn't free up any operational flexibility at NS or SS, as the consist would still be required to reverse direction.

Doing it via West Station does give an Allston-NS route that's faster than the Green Line, but upgrading the Green Line (especially the BU Comm Ave stretch) with signal priority, better stop spacing, and high-level boarding seems like a much better bang for your buck and is already in the works.

Worcester to North Station via Grand Junction with no service to Back Bay even seems more useful than this proposal.
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Old 06-27-2018, 12:18 PM   #1205
Rover
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Re: North-South Rail Link

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Originally Posted by bigeman312 View Post
Who does a NS-BB/SS line via Grand Junction serve?

If you're coming from the North Side and want to get to SS, it would be quicker to transfer to OL at NS.

If you're coming from the South Side and want to get to NS, it would be quicker to transfer to OL at BB.

It doesn't free up any operational flexibility at NS or SS, as the consist would still be required to reverse direction.

Doing it via West Station does give an Allston-NS route that's faster than the Green Line, but upgrading the Green Line (especially the BU Comm Ave stretch) with signal priority, better stop spacing, and high-level boarding seems like a much better bang for your buck and is already in the works.

Worcester to North Station via Grand Junction with no service to Back Bay even seems more useful than this proposal.

I'd say two things. 1) You give North and South commuters a one seat ride to Back Back, West Station and North Station, thus connecting those hubs and job clusters. 2) More importantly you make it easier to move the trains around from one side of the system to the other. Using the existing route more or less that's in place now but with more capacity than an old bridge and a single track crossing several streets in Cambridge. The stretch from SS to Beacon Yards would by and large be unchanged.

Beyond that, yes you would allow Worcester to North Station as well as a side benefit.
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Old 06-27-2018, 01:24 PM   #1206
bigeman312
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Re: North-South Rail Link

Oh I totally see the advantage of opening up the Grand Junction for revenue service, and better non-revenue moves. The aspect I'm questioning is the reverse move NS-WS-BB service pattern. Worcester-NS would be a cool, useful thing to implement.
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