It absolutely is doable to fold PATH into the subway, and it is incorporated into this map I made here: https://drive.google.com/open?id=1fN...RY&usp=sharing
Essentially, you have to build a new deep tunnel coming out of PATH at West Street, then passing below the existing PATH station to a new station under Vesey Street, then following Park Row and Centre Street to the Lexington Avenue Subway. This leaves the existing PATH station empty which leads me to the description of the map as a whole:
Essentially, this map proposes making PATH, LIRR, and NJT into a regional rail system like the RER in Paris or the S-Bahn in Germany in which all suburban trains concentrate onto several trunk lines that pass through the city to the lines on the other side, at least every 15 minutes all day long. This would create essentially an express express subway for city dwellers, and allow suburbanites to pass through the city, and simplify services. Essentially what I propose can be broken down into seven parts:
Part one: Amtrak
All Amtrak trains from New Jersey will pass through the new Gateway tunnels, then out to Long Island via the southern two East River tunnels.

Part two: Regional rail line A
All regional rail lines from Newark Broad Street Station will consolidate onto a new trunk line to Hoboken (a new transfer station would be constructed in Harrison to allow transfers to other lines). At Hoboken, trains would dive into a new tunnel passing through to the PATH station at WTC, vacated by the PATH-Lex construction. A new tunnel would continue southeast to Atlantic Station, where all trains would continue through to Jamaica, and continue onto all LIRR lines entering Jamaica from the northeast.

Part three: Regional rail line B
All trains entering Secaucus Junction from the northwest will continue to Hoboken. There, they will enter the Uptown Hudson PATH tubes, and follow the line to 33rd Street Station. A short, 0.8 mile long tunnel under 34th Street and Park Avenue will connect this line to the LIRR East Side Access tunnels, which the line will follow to Jamaica, fanning out to all LIRR lines entering Jamaica from the southeast, via St. Albans. The LIRR line from Rosedale to Jamaica via Laurelton will be turned into an extension of the E train subway.

Part four: Regional Rail line C
This would consist of all trains from Newark Penn Station passing through Penn Station in Manhattan, then through the northern two East River tunnels, and onto the LIRR Port Washington Branch

Part five: Path-Lex Subway
This would consist of the Newark-WTC PATH line (the only one that would remain) connecting through to the Lexington Avenue subway as described above.

Part six: Metro North
Metro North would stay as Metro North, at least in my proposal, for the sake of realism. If it were to ever be extended, I would expect it to go to Staten Island, either via Brooklyn or Jersey City, and then maybe to the West Trenton line and/or Raritan Valley line in New Jersey.

Part seven: Hudson Bergen Light Rail.
HBLR would remain as it is, except it would pass through a new tunnel entrances in Paulus Hook and Hoboken into the abandoned PATH tunnels through Newport. This would allow trains to pass through Jersey City faster.

https://drive.google.com/open?id=1fN...RY&usp=sharing

Port Authority approves $32 billion capital plan with funding for new tunnels and terminals

Read More: https://archpaper.com/2017/02/port-a...plan-approval/




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https://archpaper.com/wp-content/upl...omoTwitter.jpg

Gateway tunnel project maybe impeded by Trump's budget cuts

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CBNY

MTA Hopes to Shorten L Train Shutdown to 15 Months

• Video Link

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NYY

Wow! Very interesting to this. I remember when the Hurricane Sandy got a badly damaged at L trains. Hopefully they will reopen again soon. Sadly you can't go to 14th St for a quite some time.

The term reconstruction is a bit exaggerated.

Even 15 months is absurd.

I'm in NYC but not in the area affected by this shutdown. If I was, I'd be up in the faces of the local politicians to demand a detailed project plan from the MTA. I STRONGLY suspect that they could get this done in 6 months if they made a maximal effort, and used the best planning and contracting methodologies.

I'm sure the MTA could get this done in 6 months or so, but if they do it in a timely and efficient manner, the contractors and unions won't be able to milk the taxpayer/riders, like they did on the SAS.

The fact that they STILL don't have a real alternative for L Train commuters is absolutely absurd, and senior managers, and directors at the MTA need to lose their job and pensions over it. Of course, they never will. They'll have had close to five years to figure something out, and they're still talking about buses moving tens of thousands of people every morning and evening, over an already congested bridge.

The sheer level of incompetence, negligence, and blatant disregard for taxpayer and ridership money makes me either think the people who run this agency are literally the most incompetent people on the planet, or they're just genuinely not interested in a building and maintaining a modern and efficient mass transit system.

And we have another round of fare hikes to look forward to! Yay!

Cuomo Plots Demise of Bronx’s Unloved Sheridan Expressway

https://static01.nyt.com/newsgraphic...DANmap-720.png

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https://www.nytimes.com/2017/03/19/n...sway.html?_r=1

Too bad the NEC tracks are going to prevent a full opening up of the waterfront there.

MTA's $72M subway renovations will begin with three Brooklyn stations

https://c1.staticflickr.com/3/2843/3...2b673cc4_b.jpg

https://c1.staticflickr.com/3/2936/3...b21c97f3_b.jpg

The removal of Sheridan Expressway will drive gentrification in South Bronx as pointed out in this article:

Not Everyone in the Bronx Hates the Sheridan Expressway

Sources: MTA Capital Construction President Retiring

Video: http://www.ny1.com/nyc/all-boroughs/...-retiring.html

http://s7d2.scene7.com/is/image/TWCN...od_jpg?wid=640

Fingers crossed that doesn't happen. That freeway needs to be rebuilt and preserved. It is a vital link for many commuters.

if rikers closes there will be a rare opportunity to expand laguardia:



Rikers Island jail closing could bring LaGuardia Airport expansion, report says

By Vincent Barone vin.barone@amny.com April 3, 2017


http://cdn.newsday.com/polopoly_fs/1...280/image.jpeg


A newly released report recommending the closure of the Rikers Island jail facility endorses two plans for “re-imagining” the island, including an option for a LaGuardia Airport expansion.

Building an additional terminal and runway on the island could reduce the airport’s notorious delays and serve an additional 12 million more passengers annually — an increase of about 40 percent — according to the 148-page report published Sunday by the Independent Commission on New York City Criminal Justice and Incarceration Reform.

“Being next door to LaGuardia presents a rare opportunity to improve operations at one of the nation’s most challenged airports and to meet the region’s need for additional flight capacity,” reads the report, titled “A More Just New York City.”


more:
http://www.amny.com/transit/rikers-i...ays-1.13353334

This is what Sheridan Expressway could be.

http://www.vanshnookenraggen.com/_in...96b1517b_z.jpg

Large Photo: https://www.flickr.com/photos/vanshn...n/21259565925/

Read More: http://www.vanshnookenraggen.com/_in...-robert-moses/

So the 5 train would have run on a median in this one, then?

The highway along 233rd Street is just overkill, IMO.

That LaGuardia expansion vision in post #1675 looks fantastic, but dear lord how expensive that would be and the time. Actually, not even the time if they move on it, but the cost would be astronomical.

LaGuardia is vastly overdue for a big expansion. Newark Airport as well along with a major renovation.

Good things take time... and money.

I still like the RethinkNYC plan better.

This is a bad idea for several reasons:

First off, LGA has a low share of total traffic in proportion to the number of planes that use it. This airspace congestion reduces capacity at EWR and JFK. Indeed, a compelling case to close and redevelop LGA can be made, because the lost capacity can be made up for by more efficient operations at EWR and JFK because of simpler aircraft movements, larger planes, high speed rail for regional planes, and expansion of JFK and EWR.

LGA sits on some very valuable real estate, and developing it could benefit new York, making it richer and less expensive overall while also improving LGA-adjacent neighborhoods.

Finally, spreading air traffic over multiple airports leads to lower efficiency, since less connections are available, which often are necessary to sustain certain flights. Concentrating all Star Alliance traffic at EWR and all Sky Team/One World traffic at JFK would result in better flight options for both New Yorkers and people making connections.