N81 road (Ireland)
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| Length: | 76.784 km (47.711 mi) |
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The N81 road is a national secondary road in Ireland, from the M50 motorway to Tullow, County Carlow, north to south. The N81 continues past Tullow for another 8 km to terminate at the village of Closh, County Carlow, where it intersects the N80. The N81 is 76.784 km (47.711 mi) long (route map). The road is a dual carriageway between M50 motorway and west of Tallaght, known as the Tallaght Bypass or Blessington Road. It intersects with the M50 motorway at Junction 11. There are plans to extend the dual carriageway by 5 km (3.1 mi) to the urban boundary.
The N81 is the only major national road emanating from Dublin that is a national secondary rather than national primary road.
The official definition of the N81 from the Roads Act, 1993 (Declaration of National Roads) Order, 2012 states:
The Dublin and Blessington Steam Tramway once took this route from Terenure to Blessington before it was closed in 1932 due to falling passenger numbers.
In the 1990s when it was proposed to reestablish a tram system in Dublin due to chronic traffic congestion (see Luas), the old tram route from the City Centre via Terenure to Tallaght was proposed.
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