M18 motorway (Ireland)

Last updated • 3 min readFrom Wikipedia, The Free Encyclopedia

M18-IE.svg
M18 motorway
Mótarbhealach M18
M18 sign, no horses.jpg
Route information
Part of IRL N18.svg
Length70.8 km (44.0 mi)
Existed26 January 2007–present
HistoryCompleted on 27 September 2017 [1]
Major junctions
From Shannon
Major intersections Motorway Exit 9 Ireland.PNG IRL N19.svg
Motorway Exit 12 Ireland.PNG IRL N85.svg
Motorway Exit 18 Ireland.PNG M6-IE confirmatory.svg
Motorway Exit 18 Ireland.PNG M17-IE confirmatory.svg
ToJunction 18 terminus, east of Galway.
Location
Country Ireland
Primary
destinations
Ennis, Shannon, Gort
Highway system

The M18 motorway (Irish : Mótarbhealach M18) is an inter-urban motorway in Ireland, forming part of the Limerick, Ennis to Galway national primary road, which, in turn, forms part of the Atlantic Corridor called for as part of the Transport 21 project.

Contents

Route

The motorway starts at junction 9 on the Shannon bypass and heads in a northerly direction where it bypasses the town of Newmarket-on-Fergus via the townlands of Killulla, Knocksaggart and Ballyconneely. After Newmarket-on-Fergus the motorway runs alongside Dromoland, where significant historical features can be seen from the mainline.

As the route gets further north it develops into a more modern style of road: the Ennis Bypass. The median was constructed with a H2 concrete barrier rather than the wide grassy median seen in the earlier stretch to the south and features a lower noise wearing course. Bypassing the notorious bottlenecks of Ennis town and Clarecastle village, this section was completed in 2007 and significantly reduces travel times between Galway, Ennis, and Limerick. After passing to the east of Ennis the motorway enters the townlands of Killow and Knockanean.

A 22 km stretch, bypassing Crusheen village and the town of Gort, was opened in November 2010. The motorway ends at junction 18 of the M6, following its completion in September 2017. The road continues northbound as the M17 towards Tuam.

History

Ennis Bypass

The 14-kilometre (8.7 mi) Ennis Bypass opened to traffic as a standard dual carriageway section of the N18 on 26 January 2007, after a construction period of almost three years. It was redesignated as a Motorway on 28 August 2009 [2] [3] In addition to Ennis, the road also bypasses the village of Clarecastle. The scheme was built by Gama Strabeg JV.

Newmarket-on-Fergus Bypass

The Newmarket-on-Fergus Bypass opened as a 5.7 km (3.5 mi) dual carriageway on 30 September 2002, routing around the town of Newmarket-on-Fergus. The scheme alleviated one of the worst congestion black spots in the country. It includes two grade separated junctions at Carrigoran and Dromoland. It was redesignated as motorway on 28 August 2009. [3]

The construction of this section of the motorway gained international attention in 1999 as a result of the Latoon fairy bush, a tree of supernatural significance which folklorist Eddie Lenihan demanded must be saved as it was in the path of the intended route. [4] [5] [6] [7] [8] The tree was eventually spared, and still grows onsite as of 2024. [4]

Ennis (Crusheen) to Gort

Construction of a 22 km (14 mi) section of the M18 between Crusheen and Gort commenced in October 2008 and was opened to traffic on 12 November 2010. This scheme, known as 'Gort to Crusheen', connects to the northern end of the Ennis bypass and provides continuous motorway to just north of Gort in County Galway. [9] The scheme was built by SIAC Wills JV. [10]

Gort to Claregalway

The Gort to Tuam (M18/M17) route is 58 km (36 mi.) long. The project involved the construction of motorway from Gort to Athenry, extending in the process the total length of the M18 by 27 km (17 mi). It connects to the M17 Motorway where they cross the Dublin to Galway M6 motorway, which opened in December 2009. This was also included in the second tranche of motorway redesignations and was opened as motorway. In April 2014, it was confirmed that it would proceed. Work on the project began on 15 January 2015 and was managed by Direct Route. It was officially opened on 27 September 2017. [11] [12] [13] [14]

Motorway redesignations affecting the M18

Initially, none of the proposed dual carriageway between Limerick and Galway outlined in the Transport 21 programme was to operate under motorway restrictions. However, the National Roads Authority (NRA) decided late in 2008 to include all sections of grade separated N18 – whether built, under construction, or still at the planning stage – in its second tranche of motorway redesignation proposals. [11] These were approved by the Minister for Transport in July 2009, and the changes came into effect on 28 August 2009. [3]

Junctions

A section of the Ennis Bypass before the motorway changeover. N18 looking south from the Ennis junction.jpg
A section of the Ennis Bypass before the motorway changeover.
M18 southbound J13 1 km ADS Signage taken before redesignation on the Ennis bypass J13SouthboundM18.jpg
M18 southbound J13 1 km ADS Signage taken before redesignation on the Ennis bypass
This taken on the Ennis bypass section junction 13 southbound and gantry for junction 13 Junction 13 M18 southbound.jpg
This taken on the Ennis bypass section junction 13 southbound and gantry for junction 13
IRL N18.svg
(Junctions numbered south to north)
Northbound exitJunctionSouthbound exit
Dual carriageway continues from M7 ( Motorway Exit 30 Ireland.PNG )
(M7 Motorway Exit 30 Ireland.PNG ) Rossbrien, Cork ( M20 , Tralee ( N21 Motorway Exit 1 Ireland.png )
Motorway Exit 1 Ireland.png
Rossbrien, Limerick (city centre) ( R509 ), Cork ( M20 Motorway Exit 1 Ireland.png )
Dock Road ( N69 )
Motorway Exit 2 Ireland.png
Dock Road ( N69 )
Shannon Tunnel
Coonagh West IE road sign symbol F-060.svg
Motorway Exit 3 Ireland.PNG
IE road sign symbol F-060.svg
- Limerick Bypass (Direct Route) starts.
Ennis Road (former N18)
Motorway Exit 4 Ireland.PNG
Ennis Road (former N18)
Cratloe, Sixmilebridge ( R462 )
Motorway Exit 5 Ireland.PNG
Cratloe, (Sixmilebridge) ( R462 )
Bunratty
Motorway Exit 6 Ireland.PNG
Bunratty
Hurler's Cross, Shannon Town, (Sixmilebridge) ( R471 )
Motorway Exit 7 Ireland.PNG
Hurler's Cross, Sixmilebridge, Shannon Town ( R471 )
Shannon Town Centre ( R471 )
Motorway Exit 8 Ireland.PNG
no access
M18-IE confirmatory.svg
Northbound exitJunctionSouthbound exit
Shannon ( N19 )
Motorway Exit 9 Ireland.PNG
Shannon ( N19 )
Newmarket-on-Fergus ( R472 )
Motorway Exit 10 Ireland.PNG
Newmarket-on-Fergus ( R472 )
Clarecastle ( R458 )
Motorway Exit 11 Ireland.PNG
Clarecastle ( R458 )
Ennis ( N85 ), Ennis Services (in planning)
Motorway Exit 12 Ireland.PNG Motorway Services Ireland.png
Ennis ( N85 ), Ennis Services (in planning)
Ennis, Scarriff, Tulla ( R352 )
Motorway Exit 13 Ireland.PNG
Ennis, Scarriff, Tulla ( R352 )
Ennis ( R458 )
Motorway Exit 14 Ireland.PNG
Ennis ( R458 )
Crusheen ( R458 )
Motorway Exit 15 Ireland.PNG
Crusheen ( R458 )
Gort, Loughrea ( R458 )
Motorway Exit 16 Ireland.PNG
Gort, Loughrea ( R458 )
Ardrahan, Oranmore Kinvara Kilcolgan ( R458 )
Motorway Exit 17 Ireland.PNG
Ardrahan, Oranmore, Kinvara Kilcolgan ( R458 )
Galway, Athlone, Dublin ( M6 Motorway Exit 19 Ireland.PNG )
Motorway Exit 18 Ireland.PNG
Galway, Athlone, Dublin ( M6 Motorway Exit 19 Ireland.PNG )
Motorway continues as M17
Gort-Crusheen under construction (June 2009): The grade-separated junction at Gort. M18 Gort GSJ.jpg
Gort-Crusheen under construction (June 2009): The grade-separated junction at Gort.
CBM being laid down on the mainline of the Gort to Crusheen scheme looking north from the R460 overbridge Mainline North of the R460 overbridge.jpg
CBM being laid down on the mainline of the Gort to Crusheen scheme looking north from the R460 overbridge

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References

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  4. 1 2 Deegan, Gordon (29 May 1999). "Fairy bush survives the motorway planners". The Irish Times . Retrieved 11 June 2024.
  5. Mulvaney, Amy (24 April 2019). "Double Take: The fairy bush in Co Clare that moved a motorway". TheJournal.ie . Retrieved 11 June 2024.
  6. Magan, Manchán (13 May 2021). "From ringfort to ring road: The destruction of Ireland's fairy forts. Some of these ancient mounds date back to 3000 BC, but many are buried under motorways". The Irish Times . Retrieved 11 June 2024.
  7. F. Clarity, James (16 June 1999). "If You Believe in Fairies, Don't Bulldoze Their Lair". The New York Times. Retrieved 11 June 2024.
  8. McMahon, Páraic (26 October 2020). "A Latoon fairy bush that got international attention". The Clare Echo. Retrieved 11 June 2024.
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  10. "M18 Gort to Crusheen Dual Carriageway, Road and Bridge Construction". Wills Bros Ltd. Archived from the original on 23 March 2010. Retrieved 5 March 2022.
  11. 1 2 "N3 LEAFLET rev2" (PDF). Archived from the original (PDF) on 15 June 2011. Retrieved 5 August 2009.
  12. "View Notice". E-tenders.gov.ie. Archived from the original on 5 August 2012. Retrieved 5 August 2009.
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  14. "Work to start on the Tuam Bypass in January". The Tuam Herald. Archived from the original on 24 January 2015. Retrieved 23 January 2015.