Atlantic Corridor

The constituent national primary routes, included in the 2007 plan, included:

• N15 linking Letterkenny and Sligo
• N17 linking Sligo and Galway
• N18 linking Galway, Ennis and Limerick (including the Limerick Tunnel project)
• N20 linking Limerick and Cork
• N25 linking Cork and Waterford

As of 2018, over {{cvt|100|km}} of the route was completed motorway or dual carriageway.{{fact|date=June 2022}} At that time, the next construction planned was the M20 from Cork to Limerick, which was allocated €850 million in government funds under the National Development Plan 2018-2027 capital scheme. The M20, which was "progressed through planning and design phases" as of 2010,{{cite web|url = https://www.irishtimes.com/news/environment/need-for-n20-cork-limerick-road-upgrade-identified-in-1998-1.4840360 | publisher = Irish Times | website = irishtimes.com | title = Need for N20 Cork-Limerick road upgrade identified in 1998 | date = 30 March 2022 | accessdate = 6 June 2022 | quote = The N/M20 Cork to Limerick Motorway Scheme, which was to form part of the government's Atlantic Corridor strategy to link Letterkenny to Waterford, was progressed through planning and design phases and the scheme was submitted to An Bord Pleanála in 2010 }} is proposed to link with the planned Cork northern ring road, also forming part of the Atlantic Corridor route, connecting the planned Cork to Limerick motorway with the partially completed Cork-Waterford N25 dual carriageway.{{citation needed|date=April 2021}}

• N4 Colloney to Sligo
• N15 Ballyshannon/Bundoran bypass
• N4 Sligo inner relief road
• N17 Tuam bypass
• M17 Galway to Tuam
• M18 Limerick to Galway
• M20 Limerick to Patrickswell
• N20 Blarney to Cork
• N25 Waterford City Bypass
• N25 Cork to Midleton

• N25 Carrigtwohill to Midleton road - construction rescheduled{{citation needed|date=April 2021}}
• M20 Patrickswell to Blarney - planning stage (as of 2020){{cite web|url = https://www.rte.ie/news/ireland/2022/0330/1289292-cork-limerick-transport-links/ | publisher = RTÉ News | website = rte.ie | title = Preferred route for new Limerick to Cork road revealed | date = 30 March 2022 | accessdate = 30 March 2022 }}

• Western Rail Corridor
• Wild Atlantic Way
• Transport in Ireland

{{reflist}}

• [https://web.archive.org/web/20081216093545/http://www.transport21.ie/Projects/Roads/N15_N17_N18_N20_N25_Atlantic_Corridor.html Atlantic Corridor as part of the Transport 21 website] (archived 2008)

{{Roads in Ireland}}

Category:Proposed roads

Category:Roads in the Republic of Ireland

Category:Proposed transport infrastructure in the Republic of Ireland