LIRR Mainline Third Track Project

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MattAmity90
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Re: LIRR Mainline Third Track Project

Post by MattAmity90 » Sun Sep 08, 2019 3:50 pm

Head-end View wrote:
Sat Sep 07, 2019 7:05 pm
Yes Urban Ave. is open to the public. I drove thru the underpass Friday morning. And it is narrow. One normal width lane in each direction. It's a little bizarre, how different the place looks from what was there before.
I was thinking it was close quarters, but you can only work with the amount of space given to you. Looking at Covert Avenue, that underpass is going to be probably even more narrow. When they did the ribbon cutting ceremony, I was amazed at the transformation in just a little over a year. To think that the road used to be flat, and now it is 11 feet lower (the tracks were raised 3 feet). Construction is still not completed since the intersection of Railroad and Urban was also eliminated, and they are in the process of widening the span above to do so. As soon as they cleanup there, they head to School Street to eliminate.
This station is Babylon, this is the train to Penn Station. Stopping at: Lindenhurst, Copiague, Amityville, Massapequa Park, Massapequa, Seaford, Wantagh, Bellmore, Merrick, Freeport, Baldwin, Rockville Centre, Lynbrook, Valley Stream, Jamaica, Kew Gardens, Forest Hills, Woodside, Penn Station.

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Re: LIRR Mainline Third Track Project

Post by Head-end View » Sun Sep 08, 2019 6:31 pm

Matt, are you sure about the tracks being raised three feet? This is the first I've heard of that.

And yes, although the underpass is open, there is still construction going on above where Railroad Ave. will now cross over Urban Ave.

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Re: LIRR Mainline Third Track Project

Post by MattAmity90 » Sun Sep 08, 2019 9:52 pm

Head-end View wrote:
Sun Sep 08, 2019 6:31 pm
Matt, are you sure about the tracks being raised three feet? This is the first I've heard of that.

And yes, although the underpass is open, there is still construction going on above where Railroad Ave. will now cross over Urban Ave.
They said that the clearance of the bridge was going to be 14 feet, and they dug enough for an eleven foot clearance. It said that the tracks would be raised a further three feet so that trucks could pass under it. It doesn't look like much though, but most of it was due to the abundance of ballast that was dumped on top of the bridge. The problem is that you can't see the level change unless you are on top of a bridge.
This station is Babylon, this is the train to Penn Station. Stopping at: Lindenhurst, Copiague, Amityville, Massapequa Park, Massapequa, Seaford, Wantagh, Bellmore, Merrick, Freeport, Baldwin, Rockville Centre, Lynbrook, Valley Stream, Jamaica, Kew Gardens, Forest Hills, Woodside, Penn Station.

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Re: LIRR Mainline Third Track Project

Post by BM6569 » Thu Sep 12, 2019 2:57 pm

"Construction work by the LIRR on the Nassau Boulevard Bridge and the New Hyde Park Road grade crossing will cause road closures and new traffic patterns in Garden City in the coming weeks.

According to the village, the LIRR is planning to replace the Nassau Boulevard Bridge over the weekend of Oct. 4 through 6.

In order to complete the work, the LIRR will be shutting down a section of Nassau Boulevard and diverting traffic. From Sept. 30 through Oct. 8, Nassau Boulevard will be closed between Atlantic Avenue and Main/Merillon Avenue to both pedestrian and vehicle traffic."

https://patch.com/new-york/gardencity/l ... city-roads

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Re: LIRR Mainline Third Track Project

Post by MattAmity90 » Sun Sep 15, 2019 7:13 am

I know that the bridge for Railroad Avenue that will go above Urban Avenue and run parallel to the ROW is closing in on being completed. I'm just wondering close to completion are we for Railroad Avenue to reopen to traffic?

New Hyde Park Road now has jersey barriers that are separating the road for the temporary grade crossing while the original undergoes elimination via box tunnel technique. I'm wondering when the slated date will be when the road is closed and funneled to two lanes.

At Covert Avenue, how far along are we to seeing the road reopen to traffic? I know the bridge was put in place a month ago, and that the 2nd and 3rd Avenue bridge spans will be laid soon. Are they close to paving the road, because the last image I saw of the site was a few days after the trestle installation?
This station is Babylon, this is the train to Penn Station. Stopping at: Lindenhurst, Copiague, Amityville, Massapequa Park, Massapequa, Seaford, Wantagh, Bellmore, Merrick, Freeport, Baldwin, Rockville Centre, Lynbrook, Valley Stream, Jamaica, Kew Gardens, Forest Hills, Woodside, Penn Station.

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Re: LIRR Mainline Third Track Project

Post by RidingSolo » Tue Sep 17, 2019 1:16 pm

I am trying to wrap my head around the logistics of constructing two new platforms as well as adding a third rail at the site of the current New Hyde Park Station. I know that the new platforms will be situated west of the existing platforms. And I know they have to build the east bound (southside) platform further south than the existing platform in order to add the third track. So, what are the chronological steps to do this and how will the commuters exit the east bound trains at the station during all of this? I'm sure commuters will continue to exit on the existing platform while the new one is built. But at some point, the old one will need to be removed to accommodate the new track, meaning there will be the width of the new track between the train and the new platform until the third track in in place and running. How is this done?

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Re: LIRR Mainline Third Track Project

Post by MattAmity90 » Wed Sep 18, 2019 10:44 am

Just like what they are doing at Carle Place and Merillon Avenue, they will construct temporary platforms next to the current two tracks. Behind those temporary platforms, pier supports will be laid, with the new permanent Platform B built behind it. Most likely these temporary platforms will actually be a temporary station located further West. At Merillon Avenue, they constructed two 6-car platforms closer to NASSAU Interlocking about 100'-200' further West than the original platforms.

At New Hyde Park, the temporary platforms or station could possibly be built in the same spot as the Westernmost 6-cars of the current station. Currently they have a pile driver in place at the New Hyde Park Road grade crossing, where they will reduce traffic to two lanes with a temporary grade crossing while the box-tunnel method is performed to eliminate the original crossing. Covert Avenue will reopen to traffic soon, and that will see an influx of extra traffic since the project calls for the permanent closure of 12th Street to vehicular traffic as if a grade crossing was never there.

There will be a modern inconvenience because when they lay the third track, Platform A will see the influx of traffic with the Track 2 being an express track. Should only take a few weeks as I've been documenting the replacement of rail and ties on the Ronkonkoma Branch to tackle increased service. They have been working around the clock to get the track finished by October.
This station is Babylon, this is the train to Penn Station. Stopping at: Lindenhurst, Copiague, Amityville, Massapequa Park, Massapequa, Seaford, Wantagh, Bellmore, Merrick, Freeport, Baldwin, Rockville Centre, Lynbrook, Valley Stream, Jamaica, Kew Gardens, Forest Hills, Woodside, Penn Station.

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