M50 (Republic of Ireland) J17

M11 J4 and M50 J17 is the fork interchange where the two routes merge near Shankill. The M11 is the older route into Dublin city centre while the M50 acts as the city's bypass, meeting other important routes on its way round.

The M11 here was opened in 1991, and it ends a short distance to the north. The plan was that the M11 would be extended from this point, west of Loughlinstown, to Mount Merrion. The M11 north-east of here was intended to become a short spur.

In 1994, it was confirmed that the southern half of that extension (the "Southern Section") would be built first, with the northern half opening later.

By the time work actually started on the Southern Section, the Northern Section looked unlikely to open any time soon, so the Southern Section opened in June 2005 as part of the M50. This history may explain why the junction appears to be laid the 'wrong way around', with the M50 taking priority.

In practice, the existing route of the M11 from here is a very slow route to the city centre, and more useful for accessing the southside suburbs.

Before and After view of the junction looking south from M11 overbridge at Shankhill

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  M11 during M50 construction works

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  M11 after construction complete

Routes

Route	To	Notes
M11	An Lar/CITY CENTRE, Dún Laoghaire ferry
M11	Loch Garman/WEXFORD
M50	O Thuaidh/NORTHBOUND, Aerfort Átha Cliath/DUBLIN AIRPORT, C'fort Átha Cliath/DUBLIN PORT
M11	(M50) Aerfort Átha Cliath/DUBLIN AIRPORT, C'fort Átha Cliath/DUBLIN PORT	South Eastern Motorway.