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DART+ (DART Expansion)

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Comments

  • Registered Users, Registered Users 2 Posts: 2,228 ✭✭✭Ben D Bus


    If this allows for development of the plots north of the station, including the existing Docklands station then the sooner the better.



  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 24,122 Mod ✭✭✭✭bk


    I’d rather see them keep the existing Docklands station and nearby coach parking. I’d rather we kept that capacity than lose it. I’d rather see us build over stations and rail yards rather then lose the capacity.



  • Registered Users, Registered Users 2 Posts: 691 ✭✭✭PlatformNine


    Honestly turning the coach park and/or surroundings into a bus/coach station and interchange connected to SD could do a lot of good. At the moment there doesn't really seem to be any current or planned improvements to the bus connections for the station.

    For city buses it would allow quicker transfers to the G-spine via the northern station exit and allow for future enhancements/expansions of the G-spine on the north Quays, such as if they ever want a G3. For the regional commuters it could serve as a new/additional terminus, especially with both the Connolly coach stops and Busáras being capacity constrained.

    Otherwise I could see the area being used for a second concourse for SD station with another 4+ platforms.



  • Registered Users, Registered Users 2 Posts: 2,228 ✭✭✭Ben D Bus


    Yes, certainly over stations and over the approaches to the new station. That's the plan anyway, no? The approach is all below Sheriff St level anyway. But that's a vast swathe of undeveloped land in the Docklands that could be put to much better use. What would be the point of keeping the existing Docklands station? As an overflow? It's not going to be on the route into the new station so it would need it's own dedicated services.

    Not convinced about the coach park. It rarely looks busy. Unless it's an actual interurban bus station to add to or replace Busaras. In which case it would be much better situated adjacent to the Luas/Spencer Dock Station on the plot between Sheriff St and Mayor St.

    As an aside, I always thought the Connolly Station car park would have been the best location for a new bus station. Given the stalled Connolly Quarter, maybe that idea's not dead yet :)



  • Registered Users, Registered Users 2, Paid Member Posts: 19,634 ✭✭✭✭LXFlyer


    The coach park closed at the end of 2025.



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  • Registered Users, Registered Users 2 Posts: 10,552 ✭✭✭✭cgcsb


    I think it'll be a case of seeing the diggers move in and knowing. Part of the Spencer Dock site is owned by Johnny Ronan, he'll be served notice in the next 3 or 4 weeks so there might be something public then.



  • Registered Users, Registered Users 2, Paid Member Posts: 19,634 ✭✭✭✭LXFlyer


    The Sunday Independent reporting today on the national grid problems facing the transport sector including DART+ which are likely to delay projects:

    https://m.independent.ie/irish-news/overloaded-energy-grid-threatens-to-delay-major-transport-projects-including-metrolink/a362977633.html



  • Moderators, Science, Health & Environment Moderators Posts: 5,763 Mod ✭✭✭✭spacetweek


    Electricity consumers sound the alarm about these things, this feeds into ESB and Eirgrid priorities and hopefully it all gets sorted in time. The sector was hit really hard by all the data centres in the last 10 years, we don’t have a lot of slack in the system.



  • Registered Users, Registered Users 2 Posts: 4,658 ✭✭✭goingnowhere


    All the new demand is north and west Dublin which is where all the data centres are.


    it’s not just generation it’s distribution



  • Moderators, Science, Health & Environment Moderators Posts: 5,763 Mod ✭✭✭✭spacetweek


    Would electrified trains really use that much electricity, compared to a data centre?



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  • Registered Users, Registered Users 2 Posts: 4,658 ✭✭✭goingnowhere


    Each DART substation needs between 4 and 6MW. Heuston Hazelhatch needs 6 substations

    Metro 1-2MW ( but a lot more substations due lower voltage



  • Registered Users, Registered Users 2, Paid Member Posts: 3,300 ✭✭✭KrisW1001


    Isn’t Metro 1500 V DC, same as DART? Luas is 750 V.



  • Registered Users, Registered Users 2 Posts: 4,658 ✭✭✭goingnowhere


    Metro is 750v

    Each Irish Rail substation bar Greystones has two 38kV connections both rated at 3MW, in most cases the actual peak demand is about 1-1.5MW and are within the MIC limits agreed with ESBN



  • Registered Users, Registered Users 2 Posts: 2,535 ✭✭✭VonLuck


    I was just looking at the Spencer Dock proposals out of curiosity and see that both lines to the north and south of Croke Park (I don't know if they have specific nomenclature) are now linked to the same new station where it was just the southern line connecting to the Docklands station previously (currently).

    What does this mean for the operation of routes? Does it mean that more services will be diverted from Connolly and terminate in Spencer Dock to free up capacity in Connolly?



  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 24,122 Mod ✭✭✭✭bk


    Well the DART+ SW/PPT line will only be linked to the Northern line at Glasnevin, so it needs this connection so trains from DART+ SW can operate into Spencer Dock. The DART+ West/Maynooth line can use either lines through Drumcondra from Glasnevin.

    It adds capacity and flexibility. I believe all trains from SW line will operate on the Northern line, while the trains coming from Maynooth will be able to use a mix of both lines. If it wasn't for Drumcondra Station, you might have kept them separate for simplicity and to reduce line crossing. Maybe something that might happen long term.

    Of course some trains will operate into Connelly too and across the loop line bridge.



  • Registered Users, Registered Users 2 Posts: 691 ✭✭✭PlatformNine


    I don't believe that is correct. There will be a link from the GSWR/Drumcondra from the existing junctions that runs under the Northern line. Currently it only connects to North Wall, but it will connect to the eastern two platforms at SD.

    I believe the D+ TSS diagrams shows 10 DARTs an hour for D+W and 11 for D+SW. The D+W are 4tph M3-SD via the canal line, 3tph Maynooth-SD via the canal line, and 3tph Maynooth-Bray via Drumcondra. Then for D+SW its 4tph HH-Heuston, 4tph HH-SD via Drumcondra and 3tph HH-GCD via Drumcondra.



  • Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 24,122 Mod ✭✭✭✭bk


    Perhaps I worded it confusingly, but yes, that is what I was getting at. At Glasnevin, both lines connect to and can use the Drumcondra/GSWR line, but the Canal line can only be used by trains from the D+West/Maynooth line, but not the D+SW/PPT line.

    So as the TSS diagram shows, all D+SW trains will have to go via the Drumcondra line, while D+W trains will be split between both.

    Screenshot 2026-01-14 at 18-45-50 RAILWAY-WORKS-PLAN-Part-1-A3.pdf.png


  • Registered Users, Registered Users 2 Posts: 75,489 ✭✭✭✭L1011


    I'm fairly sure Glasnevin Junction is being rebuilt for both moves under Metrolink, though.



  • Registered Users, Registered Users 2 Posts: 892 ✭✭✭loco_scolo


    I'm also fairly sure this was updated since. It has come up a few times in threads, but unfortunately can't find supporting docs to show (not for lack of trying).

    Regardless, I'd bet good money that a significant portion of Dart West and SW trains will terminate at Spencer Dock, more than they've stated in docs. But that's all TBD.



  • Registered Users, Registered Users 2 Posts: 1,830 ✭✭✭p_haugh


    This is from the Alignment Details document that was submitted to ABP as part of the RO (https://downloads.metrolink.ie/documentsro/Alignment%20Details%20Book%202%20of%202%20Dublin%20City%20Council.pdf)

    Screenshot_20260114-234227.png

    It shows that an "additional connection between GSWR AND MGWR lines" will be built just to the west of the platforms, so assuming they keep that as planned, both movements would be achievable.



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  • Moderators, Computer Games Moderators, Recreation & Hobbies Moderators Posts: 11,315 Mod ✭✭✭✭CatInABox


    That's definitely a change from earlier on in the process. A welcome change, I thought it was bonkers that they were only including one link.



  • Registered Users, Registered Users 2 Posts: 19,260 ✭✭✭✭murphaph


    Will this be the only double diamond crossing on the network? They are very rare globally as normally 2 double track lines would be grade separated as they are likely to ba carrying significant traffic if they are both double tracked. I can't imagine the timetable will foresee a bunch of conflicting movements at grade across this double diamond. That would be crazy and go against what we are trying to achieve (a reliable, fast network for passengers). I suspect this double diamond will only be for operational flexibility or stock transfers or night time freight movements.

    I think we also need to factor in that even if every D+W and D+SW DART could magically go via Connolly and out to Bray that a lot, possibly the majority of passengers will change at Glasnevin for ML anyway. It will get them into the city centre faster and almost certainly more reliably (almost no points to fail, no passenger access to the line thanks to platform doors, no driver errors, no level crossings, no low bridges to be struck by overheight vehicles, full computer control).

    Given that, it's far less important that most DART+ trains are going to terminate at SD because mostly only people going to the Docklands will still be on board at that stage.



  • Moderators, Computer Games Moderators, Recreation & Hobbies Moderators Posts: 11,315 Mod ✭✭✭✭CatInABox


    Yeah, it's great that they've included it, but I really don't think that it'll be used except in cases of emergencies/track maintenance/etc.

    As an aside, I should have realised that this was changed when they highlighted in the sequencing of the glasnevin station that they'd be keeping one of the lines open at all times during construction. Only way that this is useful is if they have the ability to move trains from both tracks to the other, so I guess if I thought about it more I'd have realised they changed it.

    As a further aside, I think that's the only reason that they're doing it, and post construction you'll rarely see trains using it.



  • Registered Users, Registered Users 2 Posts: 892 ✭✭✭loco_scolo


    Thanks for sharing, it was driving me mad as I knew I hadn't imagined it!!

    I'm convinced that long term/post Metro all Maynooth Darts will go to SD along the canal, and all HH Darts will go to SD via Drumcondra. This will remove conflicts at Glasnevin junction and Connolly, and simplify the stations. At Glasnevin/Spencer, platforms 1 and 2 will ALWAYS be for HH and platforms 3 and 4 will ALWAYS be for Maynooth...

    A few trains per hour, Longford and Portlaoise commuters will likely use Connolly via Drumcondra. That's where my money is, if we're taking bets..



  • Registered Users, Registered Users 2 Posts: 19,260 ✭✭✭✭murphaph


    They might even remove it afterwards if it's only for the construction phase as diamond crossings are very maintenance intensive because the wheels pretty much slam into the gap every time a train crosses in both directions.



  • Registered Users, Registered Users 2 Posts: 75,489 ✭✭✭✭L1011


    I don't expect Portlaoise commuter services to be changed from Heuston. There should be hourly Sligo (in each direction) by then.



  • Registered Users, Registered Users 2, Paid Member Posts: 16,439 ✭✭✭✭loyatemu


    AFAIK the current plan is for SW Darts to mostly go to Grand Canal Dock and Dun Laoghaire. Maynooth/Navan will use Spencer Dock.

    Put your money where yer mouth is... Subscribe and Save Boards!

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  • Registered Users, Registered Users 2 Posts: 795 ✭✭✭JohnDoe2025


    I have seen it suggested here that long-term all Maynooth Darts will avoid Drumcondra and travel on to Bray, Dart SW will use Drumcondra and terminate at Spencer Dock, while Dart North will terminate at Connolly. Apparently a short piece of double-tracking is all that is needed to achieve this.



  • Registered Users, Registered Users 2 Posts: 892 ✭✭✭loco_scolo


    Yes that's the current plan, however I stand by my assessment. In the absence of DU, this will basically solve most of the conflict issues at Connolly. It would make a lot of sense, but is also too controversial to suggest. Once Metro is open, it will be less controversial and I'm convinced this is what will happen.



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  • Registered Users, Registered Users 2 Posts: 19,260 ✭✭✭✭murphaph


    Is Newcommen Curve going to be double tracked and electrified? In theory Maynooth DARTs could all go that way via Connolly P6 & 7 and out to Bray and ex-Drogheda DARTs could all terminate at SD and/or Connolly shed & Connolly P5 with no conflicting DART movements at Connolly. There are a few ways the network could operate I suppose, especially post ML. ML is going to have such a positive impact on DART because it will allow the DART network to see conflicting movements eliminated all over the place.



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