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Can you map the M50 on this map?

  • 20-03-2012 6:28pm
    #1
    darkman2
    Banned (with Prison Access) Posts: 8,632 ✭✭✭


    Hi, DCC seem to always use ancient maps when illustrating new schemes. I don't understand why.


    This one was posted in infrastructure about the Dublin Bike Scheme


    expmap-large.jpg


    How old is that! No M50. Can you map it for them out of pure guess work?;)


Comments

  • #2
    Tails142
    Registered Users, Registered Users 2 Posts: 2,119 ✭✭✭Tails142


    darkman2 wrote: »
    Hi, DCC seem to always use ancient maps when illustrating new schemes. I don't understand why.


    This one was posted in infrastructure about the Dublin Bike Scheme


    http://dublinobserver.com/wp-content/uploads/2011/03/expmap-large.jpg


    How old is that! No M50. Can you map it for them out of pure guess work?;)

    Yeah that is weird, the light blue line on the far left of the map is where the m50 is and it follows the route as you'd expect in a semi circle through the vacant land that you can see


  • #3
    ThisRegard
    Closed Accounts Posts: 27,833 ✭✭✭✭ThisRegard


    The N3/Blanchardstown bypass is not even on it.


  • #4
    Irish and Proud
    Closed Accounts Posts: 1,735 ✭✭✭Irish and Proud


    ThisRegard wrote: »
    The N3/Blanchardstown bypass is not even on it.

    ...and neither is the (ex N4) Chapelizod Bypass (now R148) which was completed around 1991! :eek:

    I would say the map dates from the period 1986-1989!


  • #5
    dubhthach
    Registered Users, Registered Users 2 Posts: 3,284 ✭✭✭dubhthach


    The housing estate I live in in was completed in 1987 the layout can be seen on that map. However previous estate I rented in that was built in 1989 is just presented as a blank area. Given that "Western Parkway" section of the M50 started construction in 1987 you probably looking at this map been specific to 1986-87.

    As to why they used it I don't know. I would assume that Ordnance Survey still have copyright permissions on it as they do on more recent maps.


  • #6
    marmurr1916
    Registered Users, Registered Users 2 Posts: 2,091 ✭✭✭marmurr1916


    Tails142 wrote: »
    Yeah that is weird, the light blue line on the far left of the map is where the m50 is and it follows the route as you'd expect in a semi circle through the vacant land that you can see

    If you look below that light blue line, until you can see the word 'Greenhills' on the map, you'll see what must be a reservation for the M50.


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  • #7
    antoobrien
    Registered Users, Registered Users 2 Posts: 6,106 ✭✭✭antoobrien


    dubhthach wrote: »
    As to why they used it I don't know. I would assume that Ordnance Survey still have copyright permissions on it as they do on more recent maps.

    Laziness, the M50 is outside the city boundaries (they broken line, there's maybe a couple of stretches around ballyfermot that are in the city council zone) so DCC don't care and the road layouts in the areas they're indicating won't have changed massively since the late 80's, so the map is good enough for indication of lcoations.


  • #8
    Victor
    Registered Users, Registered Users 2 Posts: 78,580 ✭✭✭✭Victor


    marmurr1916 wrote: »
    If you look below that light blue line, until you can see the word 'Greenhills' on the map, you'll see what must be a reservation for the M50.

    No, that section of the M50 was actually the first to be built - then they ran out of money. I think there was only a single carriageway and it didn't open until after the section form the N3 to Greenhills, which opened in sections a few months apart.


  • #9
    JupiterKid
    Moderators, Social & Fun Moderators Posts: 13,105 Mod ✭✭✭✭JupiterKid


    dubhthach wrote: »
    The housing estate I live in in was completed in 1987 the layout can be seen on that map. However previous estate I rented in that was built in 1989 is just presented as a blank area. Given that "Western Parkway" section of the M50 started construction in 1987 you probably looking at this map been specific to 1986-87.

    As to why they used it I don't know. I would assume that Ordnance Survey still have copyright permissions on it as they do on more recent maps.


    Yep - I have a copy of this street map. It is the OS Dublin Street Map 14th Popular Edition revised November 1986, so you're spot on with the date!

    That means that DCC are using a 27 year old map (a generation ago). Wow...:(:eek:

    Trivia note: If you look near Greenhills you can see a part of the M50 route shown as a road. This was built as a S2 road in about 1984-85 but never completed and was subsumed into the M50 when it was built in 1988-1990.
    EDIT: I see Victor got there before me!:D


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