LIRR Mainline Third Track Project

Discussion of the past and present operations of the Long Island Rail Road.

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Re: LIRR Mainline Third Track Project

Postby adamj023 » Tue Jul 18, 2017 3:32 pm

http://www.righttrackforlongisland.com/ ... -plan-okd/ Approved

Next board meeting is later this month. Post avenue bridge and other aspects are under construction already.
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Re: LIRR Mainline Third Track Project

Postby zhaos » Tue Jul 18, 2017 5:55 pm

I haven't looked closely at the plans. How will they handle the intersection of Hempstead and Main Line near Floral Park?

https://www.google.com/maps/@40.7251917 ... a=!3m1!1e3

The map shows not a lot of room around there.
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Re: LIRR Mainline Third Track Project

Postby Head-end View » Tue Jul 18, 2017 7:47 pm

Zhaos, I think there is discussion about that earlier in this thread. The consensus seemed to be that the track that is now the Hempstead Branch westbound will become the new 3rd Main-line track and the Hempstead Branch will be constricted to the one remaining south track thru Floral Park.
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Re: LIRR Mainline Third Track Project

Postby zhaos » Thu Jul 20, 2017 1:46 pm

Hmm, actually, according to the EIS, http://www.amodernli.com/wp-content/upl ... _FINAL.pdf, Figure 1-10, between page 1-19 and 1-20, the Hempstead branch is drawn retaining its two-track configuration. The third track in that section will be built south of the current main line. I'm probably rehashing discussion earlier on here however.
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Re: LIRR Mainline Third Track Project

Postby spokes32 » Thu Jul 20, 2017 7:38 pm

zhaos wrote:Hmm, actually, according to the EIS, http://www.amodernli.com/wp-content/upl ... _FINAL.pdf, Figure 1-10, between page 1-19 and 1-20, the Hempstead branch is drawn retaining its two-track configuration. The third track in that section will be built south of the current main line. I'm probably rehashing discussion earlier on here however.


The future operations of the Hempstead Branch and the Oyster Bay Branch are items the FEIS doesn't go into depth on. In the case of the Hempstead Branch, the third mainline track (eastbound) will tie into the westbound Hempstead track just east of Floral Park Station presenting a potential conflict between Queens Interlocking and Floral Park Station. The FEIS does state that:

"A previously planned modification to the Queens Interlocking would also accommodate the connection between the new third track and Hempstead Branch."
and
"A new universal crossover would be installed on the Hempstead Branch just east of Tunnel Street, to improve operations and avoid conflicts with the new third track connection at Floral Park Station. This universal crossover would avoid the need for single-track operations along the Hempstead Branch. These modifications would allow the LIRR to optimize operations and streamline movements between branches."

This gives insight into what the LIRR is thinking in terms of operations, but the FEIS seems to intentionally skip over that important little detail. It looks like they will need to either single track or reverse run the Hempstead Branch between Queens Interlocking and the new universal crossover east of Floral Park Station. Either of these will be interesting for Floral Park and Bellerose Stations as it would effectively turn them into one track stations (Floral Park has 4 platforms) or it would reverse the direction of the current configuration at those stations. It will be interesting to see what the LIRR ends up doing here.
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Re: LIRR Mainline Third Track Project

Postby MattAmity90 » Thu Jul 20, 2017 11:25 pm

According to the map schematics on the project, the tracks will be shifted over by a few feet like they did at Mineola when Herricks Road was eliminated. The only grade crossings that won't be eliminated will be Willis Avenue on the Oyster Bay Branch. Pretty interesting with a grade crossing on top of a tunnel.
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Re: LIRR Mainline Third Track Project

Postby adamj023 » Fri Jul 21, 2017 2:17 pm

The third track at Willis avenue is a bigger issue than the one for Oyster Bay and will have a much greater impact when the crossing is closed.

The crossiing for the Oyster Bay line in Mineola turns the road into a much less used local road with much less traffic and there are a lot more crossings that are more significant. In theory more crossings should be closed but the impact on closing Willis avenue crossing is large.

If there are any unanticipated issues with the Oyster Bay crossing in the future, they can always make modifications at a later time.
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Re: LIRR Mainline Third Track Project

Postby NIMBYkiller » Sat Jul 22, 2017 11:38 am

This is one more reason why I think pushing to have the central ROW used instead of the 3rd track would have been far better. Instead of a forced awkward operation that will ultimately diminish the benefits of the 3rd track (in terms of capacity, be it for the main or the Hempstead), they could have used the space between Bellrose and Queens Village to put a flying crossover where Hempstead WB track comes up and over the main to the north side of the ROW. A gentle shift of the main south one trackway under the flyover and the current WB Hempstead is now Main EB and the current Main EB is now the main WB. Current main WB becomes Hempstead WB. No interference between trains.
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