N11/N31 and N11/R113 Junctions
||Could open : 2030||Status : Unlikely|
The N11 is a long and rather old dual carriageway running through Dublin all the way from the inner city right to the outskirts where it eventually becomes a motorway heading along the southeast coast through the commuter belt. It only has two grade-separated junctions within the built-up zone: at University College Dublin (known as the Belfield flyover, and opened in 1974), and at Wyattville (2004). To provide enough junctions to turn the whole route into an expressway (motorway would be impossible) would cost a fortune and cause huge disruption. In any case many junctions are too minor to warrant a grade-separation each. A few targeted locations should provide significant benefits. These can be ascertained with more detailed traffic count information, but since this is not publicly available, I am starting the ball rolling by proposing that the N11/N31 and N11/R113 junctions be freeflowed.
The N31 is the route, consisting entirely of city streets, leading from the N11 to Dun Laoghaire. The R113 also leads to Dun Laoghaire, but from Sandyford and the M50.
At least half a dozen grade-separations for the N11 could easily be proposed, but the routes to and from Dun Laoghaire should have priority. Sadly, the density of urbanisation along the corridor makes building work hard, with very litigious denizens. The likelihood of large-scale work taking place in the short to medium term is therefore pretty much nil.
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|Neighbourhoods||Mount Merrion, Galloping Green|
|Intersecting Streets||Stillorgan Road and Mount Merrion Avenue & Leopardstown Road, Newtownpark Avenue and Stillorgan Road|
|Number of through lanes||4|