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M28 - Cork to Ringaskiddy [advance works pending; 2024 start]

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    #1382
    DylanQuestion
    Registered Users Posts: 566 ✭✭✭DylanQuestion


    Work has resumed on the city section at Maryborough Hill. They have installed a mirror on a road sign for vehicles coming out. I didn't see what they were doing, but there were a few vehicles on site



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    #1383
    Montyming16
    Registered Users Posts: 4 ✭Montyming16


    Does anyone know what these squiggly lines highlighted in yellow mean in the drawing where land is being taken over at the Rowan Hill area before the current Mount Oval slip road? I can't tell from the drawings if this part of the road is due to be elevated higher than the current road?

    Screenshot_20221013-123804~2.png




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    #1384
    AugustusMinimus
    Registered Users Posts: 4,553 ✭✭✭AugustusMinimus


    Assume it’s an embankment with the lines dignifying how steep it is. Open to correction.



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    #1385
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,409 Mod ✭✭✭✭marno21


    Those squiggly lines are showing the cutting that's being taken out of the hill there. They're removing most of the grassy area between the slip road and Rowan Hill to facilitate motorway grade sightlines on the exit slip.

    The general rule is if the squiggly lines are on the edge of the road carrigeway, it's an embankment where as if the squiggly lines are furthest from the road bordering the edge of the alignment, it's a cutting. This is most clearly demonstrated in the M28 drawings at the quarry in Raffeen, which is to be filled in to road height creating a rather large embankment.



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    #1386
    DylanQuestion
    Registered Users Posts: 566 ✭✭✭DylanQuestion


    I wonder what the plans are for the statue at the end of the Mount Oval slip road



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    #1387
    Imeacht gan teacht ort
    Registered Users Posts: 38 ✭Imeacht gan teacht ort


    https://www.boards.ie/discussion/comment/119739093#Comment_119739093

    If you can locate Shane Ross for me, I'll show you where we can put it ...



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    #1388
    hans aus dtschl
    Registered Users Posts: 3,166 ✭✭✭hans aus dtschl


    Yep wider lines at top of slope, narrow lines at bottom of slope.



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    #1389
    Montyming16
    Registered Users Posts: 4 ✭Montyming16


    Thanks all for clarifying those lines. Do you know if the road is being elevated around that point? Next to where the old mount oval estate is, right next to the current road. I saw images where it looks like the roads are going to be much higher than what is currently there. I thought they would just be widening the road but there appears to be a new slip road higher than the surrounding houses in Wainsfort?



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    #1390
    cantalach
    Registered Users Posts: 1,939 ✭✭✭cantalach


    https://www.boards.ie/discussion/comment/119740486#Comment_119740486

    As mentioned above, the squiggly lines away from the roadway denotes a cutting where it passes by Mt Oval. A cutting is the opposite of an embankment. In other words, the road isn’t elevated. Further north though, there is a new elevated lane to the east of Wainsfort.



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    #1391
    Montyming16
    Registered Users Posts: 4 ✭Montyming16


    Great, thanks for clarifying that! 👍



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    #1392
    blindsider
    Registered Users Posts: 2,021 ✭✭✭blindsider


    At around 5pm today (Monday 17th), there was a medium-sized orange digger on the west bank of the N28, at the top of Carr's Hill. There seemed to be a bit of activity there....



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    #1393
    DylanQuestion
    Registered Users Posts: 566 ✭✭✭DylanQuestion


    https://www.boards.ie/discussion/comment/119706721#Comment_119706721

    There was a lot of digging and tree felling here today



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    #1394
    high horse
    Registered Users Posts: 1,011 ✭✭✭high horse


    https://www.boards.ie/discussion/comment/119758839#Comment_119758839

    That excavator caused a lot of rubber necking. I was stopped at the top of the hill wondering if traffic was backed up from the N40 but it was just people slowing down to look



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    #1395
    cjpm
    Registered Users Posts: 1,464 ✭✭✭cjpm


    https://www.boards.ie/discussion/comment/119738829#Comment_119738829

    Traditionally those squiggly lines used to be represented by a tadpole shape. The rule was that a tadpole always swims up. So the head is higher than the tail, hence the squiggles are higher than the straight section

    Generally cut and fill slopes are 1:2. For every metre in elevation you move 2 in the horizontal. In areas of rock cutting it can be significantly steeper, and similarly in area of soft ground it could be 1:3 or even 1:4



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    #1396
    giveth
    Registered Users Posts: 250 ✭✭giveth


    I think this animation of the M28 is new?

    https://www.youtube.com/watch?v=dev4tjKoFpE




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    #1397
    Corkladddd!!
    Registered Users Posts: 151 ✭✭Corkladddd!!


    All looks good until I got to the Rochestown road interchange; we’ll improve it with a roundabout like the current one about 6 months after the job is done



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    #1398
    Hibernicis
    Registered Users Posts: 1,547 ✭✭✭Hibernicis


    https://www.youtube.com/watch?v=QRlZMc5Tpz4

    Dronehawk posted his fifth flyover last month. Interesting to see the extent of the dig.



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    #1399
    KrisW1001
    Registered Users Posts: 1,586 ✭✭✭KrisW1001


    I had thought the final section into Ringaskiddy was to be 2+2: the mockup above shows it as a Type 1 Single Carriageway. No big deal, really, as the traffic levels here are pretty low, but just surprising...



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    #1400
    AugustusMinimus
    Registered Users Posts: 4,553 ✭✭✭AugustusMinimus


    https://www.boards.ie/discussion/comment/119803205#Comment_119803205

    It got revised to type 1. Lack of space was the main reason I believe.



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    #1401
    Chris_5339762
    Registered Users Posts: 5,902 ✭✭✭Chris_5339762


    It would have been nice to have it as motorway (or 2+2) right the way to Ringaskiddy but yes, no point really. Also, I believe you'd have some issues with how close the junctions would be.



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    #1402
    blindsider
    Registered Users Posts: 2,021 ✭✭✭blindsider


    Today, there were 3 excavators on site. They seemed to be making good progress just off the N28 at the Maryborough slip heading southbound. As I drove past, I could see that a 'route' has been marked out and they were working away.

    It's great to see the prep works continuing apace.



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    #1403
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,409 Mod ✭✭✭✭marno21


    Great to see.

    Prospects for this project are absolutely fantastic at the minute. The other two projects chugging along with this one are going for a jaunt around the courts system and the rest of the roads project is facing some sort of bureaucratic stonewalling (I wonder why?!).

    This leaves plenty of spare money in the roads budget and hopefully a 2024/2025 start.



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    #1404
    DylanQuestion
    Registered Users Posts: 566 ✭✭✭DylanQuestion


    I wonder if they'll open some of it in pieces, such as the Maryborough Hill Link Road



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    #1405
    cantalach
    Registered Users Posts: 1,939 ✭✭✭cantalach


    https://www.boards.ie/discussion/comment/119802674#Comment_119802674

    Great video. That music though…it doesn’t “resolve”…my ears.



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    #1406
    betistuc
    Registered Users Posts: 130 ✭✭betistuc


    I'd be interested to know which drone this guy is using . I have a DJI Mavik Air and would only get a fraction of the range he's getting before return to home mode would kick in due to lost signal to the hand held controller.



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    #1407
    Aontachtoir
    Registered Users Posts: 574 ✭✭✭Aontachtoir


    https://www.boards.ie/discussion/comment/119819098#Comment_119819098

    It’s wonderful that after so many years the stars finally seem aligned for the M28. Galway and Limerick’s loss is Cork’s gain.



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    #1408
    AugustusMinimus
    Registered Users Posts: 4,553 ✭✭✭AugustusMinimus


    https://www.boards.ie/discussion/comment/119823880#Comment_119823880

    Isn’t Limerick also getting the motorway to Foynes?



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    #1409
    Chris_5339762
    Registered Users Posts: 5,902 ✭✭✭Chris_5339762


    It is, but two judicial reviews have appeared. I saw that in the thread on here, but there was no more detail. So that one is delayed by a year or two now.



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    #1410
    Pete_Cavan
    Registered Users Posts: 6,873 ✭✭✭Pete_Cavan


    https://www.boards.ie/discussion/comment/119825258#Comment_119825258

    That isn't guaranteed. They could be thrown out or withdrawn with no real delay to the project.



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    #1411
    marno21
    Moderators, Entertainment Moderators, Science, Health & Environment Moderators Posts: 14,409 Mod ✭✭✭✭marno21


    https://www.boards.ie/discussion/comment/119825728#Comment_119825728

    Yes that is very true, but the M21 is delayed now by at least a few months and the Galway Ring Road is completely up in the air. The only projects which have 100% confirmed planning permission and can proceed with any certainty are this, the remaining 2.7km of the N56 Dungloe-Glenties, and the N59/N86 tourist route projects (I've omitted the N5 in Roscommon here as that's been tendered and is effectively committed to). In 2021 it was clear there would be some jockeying around to get the trio of M6/M21/M28 started in the next few years but that's subsided somewhat for now.



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