N51 road (Ireland) facts for kids

Quick facts for kids N51 road
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N51 leaving Athboy
Route information
Length	52.994 km (32.929 mi)
Location
Primary destinations:	(bypassed routes in italics) County Westmeath Delvin, leaves N52 Crosses the Stoneyford River County Meath Athboy - R154 Crosses the Athboy River Boyerstown - Junction with the M3 motorway Navan - R161 N3 R153 R162 Navan - Crosses the River Blackwater R163 Slane - N2 County Louth Joined by the R168 regional road; crosses the M1; R168 leaves Drogheda Terminates at a roundabout on the R132
Road network
Roads in Ireland Motorways Primary Secondary Regional

The N51 road is a national secondary road in Ireland. West to east, it starts in Delvin, County Westmeath at a junction with the N52. It passes through Athboy, a junction with M3 motorway, Navan and Slane, where it crosses the N2 road, all in County Meath, before crossing the M1 motorway and terminating near Drogheda in County Louth at a roundabout on the R132.

It is an unusual arrangement for a national secondary road to terminate at a regional road. However the R132 is the former N1 route (now by-passed by the M1 motorway) and is of a higher standard than most regional roads.

Upgrade

On 15 May 2009 Phase 2B of the N51 Navan Inner Relief Road was opened to traffic. This route provides a direct link between the N3/M3 Kells Road and the N51 Athboy Road. On the same day a further 3.9 kilometres of the realigned N51 which has been constructed as part of the M3 motorway scheme was opened to traffic, 2.5 kilometres of which is Type 1 dual carriageway.