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Irish Motorways with sharp turn offs

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Comments

  • #52
    antodeco
    Registered Users, Subscribers, Registered Users 2 Posts: 13,585 ✭✭✭✭antodeco


    The fassaroe junction at Bray isn't the best turn off either.


  • #53
    Marlow
    Registered Users, Registered Users 2 Posts: 14,555 ✭✭✭✭Marlow


    Well, one that's serious bad, is the junction of the M18 at Crusheen. http://osm.org/go/eseYzLLRp-

    The short offrun and the bend are one problem, but honestly, the planner that designed this needs to be shot.

    Who lets one sliproad end at another sliproad in a T-junction ? Instead of bringing it into the roundabout where the other sliproad is ending ?

    /M


  • #54
    Well hung
    Closed Accounts Posts: 35 ✭Well hung


    Guy:Incognito wrote: »
    mcwhirter wrote: »

    Plenty of trucks tipped over on the exits of m50 for instance due to too tight bends.

    Was the truck that tipped over doing more than the (iirc) 30km limit posted on those bends?

    Well hung wrote: »
    Another slip road were it can be quite difficult to merge on in heavy traffic is the n3 to m50 heading northbound. If you were to only cross were the broken lines are all you have is about 2 and half car lengths, it also narrows very quickly.

    Your not meant to fly up to that bit then look to your right and hope for a gap. When your merging you have all the space before that part to line yourself up in a gap.

    It never ceaeses to amaze me how 90% of the cars fight their way in to the right slip lane on all the M50 ramps then try merge in the few meteres as a big block instead of usesing the huge long lane to the right that goes all the way to the next junction when they can take their time to merge.

    I'm fully aware of lining yourself up, but even still with cars merging in ahead of you causing cars to slow down this can be hard to get 100% right, this is why I feel its a bit of a short merge on lane.

    And in the junction I'm talking about, the direction I come from only allows you to merge on at this lane, not the other to the left.


  • #55
    keithclancy
    Registered Users, Registered Users 2 Posts: 9,208 ✭✭✭keithclancy


    dgt wrote: »
    How about this exit?

    If you move back a bit you'll see that you have a good 200 meters to slow down before the exit:

    Link

    If your taking the exit its a given that you slow down to 50km/h.

    In my experience its the people that tailgate the people joining the motorway at 80km/h. If they are driving slowly down the slip road i'll slow down to give myself a good 150 meter Gap, then I have plenty of space to pick up speed and join at the pace of traffic.

    IMO Belgium is the worst, they have some crazy parts where you can turn around on the Dual Carriage way and pull in from Overtaking lane and join on the overtaking lane, Poland is the same I believe.

    Germany is ok, if someone is flaking down the right hand lane then they should pull out to leave you join the Motorway. The exits within exits are more confusing, especially when using a sat nav.

    Irelands grand, driving when I'm back I haven't experienced any bad slip roads, if you can't see the road ahead slow to 50km/h.

    Same rule as over here really, take your time, leave enough space between you and the car in front.


  • #56
    johnam
    Registered Users Posts: 210 ✭✭johnam


    http://maps.google.ie/maps?hl=en&ll=52.858161,-8.937179&spn=0.001772,0.005284&t=m&layer=c&cbll=52.857911,-8.937154&panoid=mbq5zOzyqPh2EW3ESfQ7UQ&cbp=12,327.23,,0,24.4&z=18



    There is not big slowing down lane here, 30 meters or so.... this is junction 13, junction 14 has already been pictured in this thread....planners should be shot. as I said earlier, the lane for joining the motorway is short too, leaving no chance to have gotten up to proper speeds before pulling onto the motorway


  • #57
    johnam
    Registered Users Posts: 210 ✭✭johnam


    This is junction 13 in the opposite direction....again, I dont understand why 1) they made it such a tight turn off when they have so much land left to the side, which could have been used to create a easier turn, meaning you don't have to slow on the motorway. and 2) if they wanted to make the turn that tight, who didn't they use a bit more than 30 odd meters for a slowing (exit) lane....

    http://maps.google.ie/maps?hl=en&ll=52.861004,-8.937413&spn=0.000886,0.002642&t=m&layer=c&cbll=52.861136,-8.937452&panoid=6oiK8vINiDEpJLxbcXHVdw&cbp=12,4.85,,0,-2.47&z=19


  • #58
    johnam
    Registered Users Posts: 210 ✭✭johnam


    keithclancy wrote: »
    IMO Belgium is the worst, they have some crazy parts where you can turn around on the Dual Carriage way and pull in from Overtaking lane and join on the overtaking lane, Poland is the same I believe.


    You don't have to go to Poland or Belguim to find that....there used to be two or three of those junctions along the dual carriage way from Limerick to Ennis, most are gone now I think, but for example....http://maps.google.ie/maps?hl=en&ll=52.678503,-8.692353&spn=0.003558,0.010568&t=m&layer=c&cbll=52.678586,-8.692969&panoid=4Wj4JCE1fVitGtP0M1ZHgw&cbp=12,334.21,,0,11.71&z=17


  • #59
    mcwhirter
    Closed Accounts Posts: 1,432 ✭✭✭mcwhirter


    Guy:Incognito wrote: »
    Was the truck that tipped over doing more than the (iirc) 30km limit posted on those bends?




    Your not meant to fly up to that bit then look to your right and hope for a gap. When your merging you have all the space before that part to line yourself up in a gap.

    It never ceaeses to amaze me how 90% of the cars fight their way in to the right slip lane on all the M50 ramps then try merge in the few meteres as a big block instead of usesing the huge long lane to the right that goes all the way to the next junction when they can take their time to merge.

    I am sure it wasn't 30kmh at the time and was changed due to the multiple pile-ups


  • #60
    Frank Black
    Closed Accounts Posts: 4,296 ✭✭✭Frank Black


    mcwhirter wrote: »
    I am sure it wasn't 30kmh at the time and was changed due to the multiple pile-ups


    The horizontal radii used in this type of junction design is for a 30km/h design speed.

    I'd be more than suprised if the posted speed limit ever exceed this.


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  • #61
    Dartz
    Registered Users, Registered Users 2 Posts: 4,395 ✭✭✭Dartz


    My favourite one is one of the spaghetti ends coming off the M50 Southbound at the Blanchardstown roundabout yoke.

    It weaves and ducks and holds a radius and you can see in the barrier where more than a few have gone in.

    And it's great fun to nail it around and push the car for a few brief moments. When there's no-one on it with you, natch.


  • #62
    L1011
    Registered Users, Registered Users 2 Posts: 69,536 ✭✭✭✭L1011


    black francis wrote: »
    The horizontal radii used in this type of junction design is for a 30km/h design speed.

    I'd be more than suprised if the posted speed limit ever exceed this.

    There was no posted limit on the M50 curves to begin with, only advisory speeds (black surrounds), so the actual speed limit was the overall junction limit, be it 80 or 50.


  • #63
    keithclancy
    Registered Users, Registered Users 2 Posts: 9,208 ✭✭✭keithclancy


    johnam wrote: »
    You don't have to go to Poland or Belguim to find that....there used to be two or three of those junctions along the dual carriage way from Limerick to Ennis, most are gone now I think, but for example....http://maps.google.ie/maps?hl=en&ll=52.678503,-8.692353&spn=0.003558,0.010568&t=m&layer=c&cbll=52.678586,-8.692969&panoid=4Wj4JCE1fVitGtP0M1ZHgw&cbp=12,334.21,,0,11.71&z=17

    They've improved things on this road, before it was just gravel or dirt.

    http://maps.google.com/maps?q=Eindhoven,+The+Netherlands+to+Bruges,+Belgium&saddr=Eindhoven,+The+Netherlands&daddr=Bruges,+Belgium&hl=en&ll=51.179889,3.832814&spn=0.905667,2.705383&sll=37.0625,-95.677068&sspn=36.589577,86.572266&geocode=FervEAMdGnZTACmfw3lVG9nGRzGYuWSBZNKa8w%3BFVRqDQMdJTUxACkNQh7B0FDDRzH3TYPIWvOiGg&oq=eindhoven+to+brug&t=h&z=9&layer=c&cbll=51.179889,3.832814&panoid=Y0hTkYCJkFOYRMW0mJV82Q&cbp=12,154.69,,0,13.34


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