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M4 - Maynooth to Leixlip [planning and design underway]

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    #32
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    According to Michael Nolan of TII, this will include the pilot provision of a bus lane between J5 and J7, giving a continuous bus lane along the corridor between Maynooth and the M50.


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    #33
    L1011
    Registered Users Posts: 68,540 ✭✭✭✭L1011


    The one Dublin Bus a day using the M4 from Maynooth to the city was dropped a number of years ago! Will help long-distance buses and may encourage someone to operate a private Swords Express/Ashbourne Connect/Balbriggan Express style service either.


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    #34
    Jayuu
    Registered Users Posts: 752 ✭✭✭Jayuu


    Hopefully as part of this they'll improve the junction at Maynooth.

    The roundabout on the westbound side is way too small for capacity at peak times and don't even talk about the eastbound side where there isn't even a roundabout and traffic has to turn right across the flow if heading to Dublin from the Straffan road!


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    #35
    JupiterKid
    Moderators, Social & Fun Moderators Posts: 12,731 Mod ✭✭✭✭JupiterKid


    Jayuu wrote: »
    Hopefully as part of this they'll improve the junction at Maynooth.

    The roundabout on the westbound side is way too small for capacity at peak times and don't even talk about the eastbound side where there isn't even a roundabout and traffic has to turn right across the flow if heading to Dublin from the Straffan road!


    Yes, the Maynooth interchange needs to be a full overhead roundabout configuration with two bridges over the M4, like at Celbridge North. Pity it wasn’t built this way when the section of M4 opened back in 1994.


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    #36
    L1011
    Registered Users Posts: 68,540 ✭✭✭✭L1011


    They're quite land constrained so the suggestion previously has been a second interchange on the Rathcoffey Road. They would need to widen out to it if doing that.

    It'd also be closer than you are meant to have junctions on a 120kmh road


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    #37
    veryangryman
    Registered Users Posts: 5,552 ✭✭✭veryangryman


    L1011 wrote: »
    They're quite land constrained so the suggestion previously has been a second interchange on the Rathcoffey Road. They would need to widen out to it if doing that.

    It'd also be closer than you are meant to have junctions on a 120kmh road

    Kinnegad has them fairly close when going Westbound M4->M6. 3 junctions within around 2KM of each other. Kinnegad East, M6, Kinnegad West.

    I'm not saying its a great idea, just saying it's been done.


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    #38
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,518 Mod ✭✭✭✭Seth Brundle


    It could be done using link roads similar to the M50 and the link roads between junctions 13 & 14.
    Remove existing M4W on ramp and M4E off ramp
    Travelling West...
    M4 --> Maynooth use existing exit
    Maynooth --M4 - use new slip @ Rathcoffey Rd

    Travelling East
    M4--> Maynooth use new slip @ Rathcoffey rd
    Maynooth --> M4 use existing ramp

    have link roads joining the two.


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    #39
    Carawaystick
    Registered Users Posts: 8,779 ✭✭✭Carawaystick


    L1011 wrote: »
    They're quite land constrained so the suggestion previously has been a second interchange on the Rathcoffey Road. They would need to widen out to it if doing that.

    It'd also be closer than you are meant to have junctions on a 120kmh road

    M1 J2&3 are less than a km apart, and on a D3M also


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    #40
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    L1011 wrote: »
    They have withheld resurfacing for nearly a decade due to this plan - everyone within a km of the motorway should welcome this as modern surfacing is ridiculously quiet compare to 1994 surfacing

    Kilcock to Maynooth will still need resurfacing

    https://www.leinsterleader.ie/news/news/433820/hope-that-planned-work-on-m4-motorway-in-kildare-will-reduce-noise-levels.html

    Partial resurfacing to start shortly


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    #41
    shanec1928
    Registered Users Posts: 4,144 ✭✭✭shanec1928


    marno21 wrote: »
    https://www.leinsterleader.ie/news/news/433820/hope-that-planned-work-on-m4-motorway-in-kildare-will-reduce-noise-levels.html

    Partial resurfacing to start shortly
    In typical Irish fashion, wait till all the traffic is about to re appear and start the work ffs:mad:


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    #42
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    annfield1978 wrote: »
    This has now come out to tender for Phases 1 to 4

    Article on this

    https://www.leinsterleader.ie/news/news/436347/tender-for-preliminary-work-on-kildare-m4-widening-work.html


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    #43
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    https://kfmradio.com/news/16092019-1215/listen-pre-assessment-work-m4-grade-begin-shortly

    Consultants to be appointed shortly.


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    #44
    roadmaster
    Registered Users Posts: 3,719 ✭✭✭roadmaster


    Coming up from the west this evening I got off at maynooth my Jesus the junction on the off ramp at lidl is mental . Will the upgrade works include work at this junction?


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    #45
    L1011
    Registered Users Posts: 68,540 ✭✭✭✭L1011


    There's bugger all space to do much so it's likely there'll be a second junction instead; possibly two bridges west and the southern arm of the ring road built to distribute traffic

    Possibly not at the same time though!


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    #46
    derrymcorry
    Banned (with Prison Access) Posts: 61 ✭✭derrymcorry


    On a related note, when is the D3AP section of the N4 from M50 J7 to M4 J5 going to be redesignated as motorway? Very little work needs to be done, the bus lanes could be converted into hard shoulders and the junctions would need some remedial work including the removal of the Dodsboro junction.

    Why hasn't this been done already?


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    #47
    tnegun
    Registered Users Posts: 1,730 ✭✭✭tnegun


    The footpaths, bike lanes and bus stops probably prevent that?


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    #48
    derrymcorry
    Banned (with Prison Access) Posts: 61 ✭✭derrymcorry


    tnegun wrote: »
    The footpaths, bike lanes and bus stops probably prevent that?

    They could be removed.

    I just find it odd that the M4 will be widened to D3M but there is already a D3AP section running from the M50 that could be redesignated meaning that the M4 would go from the M50 interchange to Mullingar as motorway standard. Redesignation is necessary to protect the road from inappropriate development.


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    #49
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,518 Mod ✭✭✭✭Seth Brundle


    derrymcorry wrote: »
    They could be removed.

    I just find it odd that the M4 will be widened to D3M but there is already a D3AP section running from the M50 that could be redesignated meaning that the M4 would go from the M50 interchange to Mullingar as motorway standard. Redesignation is necessary to protect the road from inappropriate development.
    Yaay more money spent on unsustainable transport whilst displacing all those who choose to travel sustainably.
    :rolleyes:


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    #50
    markpb
    Registered Users Posts: 9,289 ✭✭✭markpb


    derrymcorry wrote: »
    They could be removed.

    What would be the benefit of that? It’s a short stretch of heavily congested road. You’d be inconveniencing a lot of people just to get some blue signs and a slight increase in speed that you can only use late at night.


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    #51
    derrymcorry
    Banned (with Prison Access) Posts: 61 ✭✭derrymcorry


    markpb wrote: »
    What would be the benefit of that? It’s a short stretch of heavily congested road. You’d be inconveniencing a lot of people just to get some blue signs and a slight increase in speed that you can only use late at night.

    Because it is ridiculous to have a D3M motorway flowing onto a D3AP road flowing onto a motorway again. There should be motorway-on-motorway interchanges as there are with the M1/M50 interchange etc.


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    #52
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    MOD:

    Maynooth-Leixlip. As per title.


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    #53
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    Arup appointed

    http://www.kildare.ie/CountyCouncil/PressReleasesAdverts/PressReleasesAdverts2019/December/AppointmentofAruptotheM4MaynoothtoLeixlipProject.html

    Public consultation in late 2020/early 2021.


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    #54
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    Topographical survey tender out

    https://irl.eu-supply.com/ctm/Supplier/PublicPurchase/171327/0/0?returnUrl=ctm/Supplier/PublicTenders&b=ETENDERS_SIMPLE


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    #55
    L1011
    Registered Users Posts: 68,540 ✭✭✭✭L1011


    Do they expect much to have changed since the entire length was surveyed in the 1980s? Topography is one thing that doesn't really change much!


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    #56
    roadmaster
    Registered Users Posts: 3,719 ✭✭✭roadmaster


    When I graduated many years ago one my first jobs was working in a newly opened NRD office, anyway two years ago one of my fellow grads rang me who is now a senior executive engineer to see if i remember some information in regards to a project we worked on back then as all information is gone. So i would say all the information on the Lucan maynooth Kilcock bypass is well gone so they have to do the survey again


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    #57
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,390 Mod ✭✭✭✭marno21


    marno21 wrote: »
    Topographical survey tender out

    https://irl.eu-supply.com/ctm/Supplier/PublicPurchase/171327/0/0?returnUrl=ctm/Supplier/PublicTenders&b=ETENDERS_SIMPLE
    Contract award:

    https://irl.eu-supply.com/ctm/Supplier/PublicPurchase/171327/0/1?returnUrl=ctm/Supplier/PublicTenders&b=ETENDERS_SIMPLE


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    #58
    Fred Cryton
    Registered Users Posts: 984 ✭✭✭Fred Cryton


    Why is this only going as far as Maynooth. Wasn't the original M4 motorway section built as far as Enfield back in the day. The whole section needs upgrading, over 25 years old now.


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    #59
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,518 Mod ✭✭✭✭Seth Brundle


    Fred Cryton wrote: »
    Why is this only going as far as Maynooth. Wasn't the original M4 motorway section built as far as Enfield back in the day. The whole section needs upgrading, over 25 years old now.
    Upgrading to what?
    Or do you mean simply upgrade the surface? The stretch heading west from Kilcock wouldn't be that old now.


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    #60
    nordydan
    Registered Users Posts: 1,105 ✭✭✭nordydan


    It went to Kilcock back in the day.

    Not justified upgarding it after that given that othe projects (M20 etc) need the funds more


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    #61
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,518 Mod ✭✭✭✭Seth Brundle


    There's no justification in upgrading it (i.e. widening or junction upgrades) from Kilcock to Maynooth (and probably none in upgrading it from Maynooth to Leixlip) as all you are doing is enabling the congestion. The money would be far better off being spent on P&R facilities, etc.


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