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Ireland has seen over the last decade or two a huge trunk road and motorway building program. The centrepiece of this investment was a network of radial motorways linking Dublin with other cities. Built under the Transport21 program, the bulk of the motorways had a closeout date of 2010, and were completed on time. For decades possessing 19th century road infrastructure, many of the Republic's trunk routes were catapulted into the 21st century in one go.

After 2008, however, Ireland's financial crisis greatly slowed the pace of this infrastructural boom and the remaining schemes in the plan no longer have completion dates. There is no longer an official road development plan and it has been clear for some time now that new road schemes around the country are being built in a fairly random manner, moving to construction as they get through planning, with no attempt being made to create end-to-end improvements of entire routes. This is in contrast to the building of the radial motorways, which were all end-to-end.

Below information can be found on existing and planned roads, including a list of all national roads currently under construction or about to start.



MOTORWAY MATRIX

Bolded roads exist or will soon; unbolded may potentially be created in the future. Further discussion on this.

 0123456789
0 M1M2M3M4 M6M7M8M9
1M10M11     M17M18 
2M20M22 M24M25  M28 NEW! 
3          
4M40    M45    
5M50         

Additionally, no sections of the N25 are motorway but the Waterford Bypass narrowly missed getting the designation in 2009 and it is likely that some may be created in future. Therefore it has its own page.
Similarly the Cork Southern Ring Road was renumbered N40 in February 2012. It was formerly a part of the N25. Although it is not a motorway, it is (or will be very soon) motorway standard and may be changed in future. It was therefore also given its own page.
It is planned to build an N21 Adare Bypass which will start at the M20, but in 2016 it was confirmed that this won't be motorway.
By 2021, a new motorway, the M28, will be created.


SCHEMES RECENTLY COMPLETED
 
SchemeStandardkmWork StartedOpening Date
M1 Jct 3-4 Drinan-Lissenhall 4 to 6 lanes Widening42012-01-252013-06-17
N69/N70/N22 Tralee BP (N69-N70 section)D2AP82011-07-122013-08-16
N69/N70/N22 Tralee BP (N22 section)SC5.52011-07-122013-08-16
N40 Cork Southern Ring InterchangesHQDC32011-07-302013-10-04
N3 Mulhuddart Interchange Upgrade JCT02012-092013-10-07
N3 Belturbet BPSC6.72011-05-032013-12-13
R132 Collinstown Cross to Airport RoundaboutD2AP1.32012-02-232013-12
R402 Enfield to EdenderrySC112012-032014-04-14
N5 Ballaghaderreen BypassSC13.62012-11-022014-09-02
N7 Newlands Cross Junction 1A HQDC02013-06-062015-05
M11 Arklow to Rathnew M16.42013-06-062015-07-13

SCHEMES CURRENTLY UNDER CONSTRUCTION
SchemeStandardkmWork StartedOpening Date
M11 Gorey Motorway Service AreaMSA2013-082016?
M9 Kilcullen Motorway Service AreaMSA2014-05-062016?
M6 East Athlone Motorway Service AreaMSA2014-10-012016?
N84 Luimnagh RealignmentSC4.52015-082016-06
M17/M18 Gort-Athenry-Tuam M53.42015-01-152017-11
N17 Tuam BP D2AP4.22015-01-152017-11
M11 Enniscorthy Bypass M272016-012018-12
N30 Enniscorthy West (M11 Enniscorthy scheme) SC82016-012018-12
N80 Enniscorthy North (M11 Enniscorthy scheme) D2AP42016-012018-12
N25 New Ross Bypass (West) HQDC3.62016-032019-04
N25 New Ross Bypass (East) D2AP102016-032019-04
N25 New Ross Bypass (N30) SC1.22016-032019-04
N56 Dungloe to Glenties (some parts underway, some in planning) SC26.920162019

SCHEMES TO START SOON
SchemeStandardkm Work StartingOpening DateStatus
R407 Sallins Bypass D2AP1.62017-042018Tender
R407 Sallins Bypass SC2.02017-042018Tender
M7 Jct 9A Osberstown INT02017-042018Tender
M7 Jct 9-11 Naas-Newbridge 4 to 6 lanes Widening11.52017-042019-12Tender
N56 Mountcharles to Inver SC4.9?2021Approved
N59 Moycullen Bypass SC4.3?2021Approved
N72 Mallow Relief Road SC ?2021Awaiting Approval
N4 Collooney to Castlebaldwin D2AP13.720182020Approved
N4 Collooney to Castlebaldwin SC1.020182020Approved
N6 Galway City Bypass HQDC10.9?2022Awaiting Approval
Galway City Bypass (West End) SC5.5?2022Awaiting Approval
N8/N25/N40 Dunkettle Interchange HQDC020192021Approved
N22 Ballyvourney to Macroom D2AP222020-Q12022Approved
N5 Westport to Turlough D2AP23.82019?2021Approved
N28 Cork to Ringaskiddy HQDC2.320192021
M28 Cork to Ringaskiddy M8.620192021
N28 Cork to Ringaskiddy SC1.520192021
N2 Slane Bypass D2AP3.2?2021
N21 Adare to Rathkeale D2AP
16.72019?2021
N69 Rathkeale to Foynes SC15.52019?2021
M20 Limerick-Cork M962020?2023Not programmed
M7 Naas-M50 Upgrade M21

Click here for the full project tracker list, including information on all major previous and upcoming road openings.