R148

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R148
Cameraicon.png View gallery (6)
From: Dublin (O160344)
To: Heathstown (N529493)
Length: 70.7 km (43.9 miles)
Meets:  R105, R138, R108, R803, R804, R805, R109, R111, R839, R833, R112, M50, N4, R403, R419, R404, R449, R157, R406, R408, R407, R125, R158, M4, R402, R159, R160, R401, R446, R161
Former Number(s): N4, T3
Highway Authorities

Dublin City • Kildare County • Meath County • South Dublin County • Westmeath County

Traditional Counties

Dublin • Kildare • Meath • Westmeath

R148 (former N4) at Clonard, County Meath

The R148 follows the original, pre-motorway, route of the N4 (former T3) DublinSligo road from the centre of Dublin as far as junction 13 of the present M4/N4 at McNead's Bridge in the townland of Heathstown between Kinnegad and Mullingar, County Westmeath.

Starting on Aston Quay, at the south-west corner of O'Connell Bridge, it first runs west along the south bank quays of the Liffey, turning left into St John's Road West at the Frank Sherwin Bridge to pass along the southern side of the Heuston railway terminus. From here, the route continues westward along the Liffey valley, although often a little removed from the river itself, through the districts of Kilmainham amd Ballyfermot, before reaching the M50 (junction 7) at Palmerstown, 9 km from O'Connell Bridge.

Our route is now subsumed into the first 6.5 km of the N4, before that road becomes the M4 at junction 5 at the western end of the Lucan Bypass, and the R148 sets off once more, running for some 55 km through Leixlip, Maynooth, Kilcock, and Kinnegad, finally rejoining the N4 where that route's motorway section ends, at the above-mentioned junction 13.



R148
JunctionsKilcock Interchange • Kinnegad West Interchange (M4) • Kinnegad West Interchange (M6) • Leixlip Interchange • McNead's Bridge Junction • Palmerstown Interchange
PlacesDublin • Kinnegad
Related Pictures
View gallery (6)
Clonard, County Meath - Geograph - 1797754.jpgDublin Civic Offices - Geograph - 2196105.jpgIreland Bilingual Road Sign TSM Figure 2.4.41.pngKylemore Road - Geograph - 518431.jpgN6 just after the N4 split - Coppermine - 19356.JPG
Other nearby roads
DublinDublin Inner Orbital Route • Dublin Outer Orbital Route • E01 • E104 (Dublin - Killeen) • E105 (Dublin - Rosslare) • E107 (Dublin - Cork) • E108 (Dublin - Shannon) • E118 (Old System) • E122 (Old System) • E124 (Old System) • E125 (Old System) • E126 (Old System) • E20 • EuroVelo 2 • L6 • M11 (Republic of Ireland) • M1 (Republic of Ireland) • M32 (Republic of Ireland) • M50 (Republic of Ireland) • N1 • N11 • N2 • N3 • N31 • N32 • N4 • N50 • N7 • N81 • R101 • R102 • R103 • R104 • R105 • R106 • R107 • R108 • R109 • R110 • R111 • R112 • R113 • R114 • R115 • R117 • R118 • R121 • R122 • R123 • R124 • R131 • R132 • R133 • R134 • R135 • R137 • R138 • R147 • R801 • R802 • R803 • R804 • R805 • R806 • R807 • R808 • R809 • R810 • R811 • R812 • R813 • R814 • R815 • R816 • R817 • R818 • R819 • R820 • R824 • R825 • R833 • R834 • R839 • R840 • T1 • T2 • T3 • T35 • T42 • T43 • T44 • T5 • T5A • T7
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