N18 road (Ireland)

N18 road
Bóthar N18
Route information
Part of
Length	98.47 km (61.19 mi)
Location
Country	Ireland
Primary destinations	(bypassed routes in italics) County Limerick Limerick City Crosses River Shannon via Limerick Tunnel County Clare Cratloe Sixmilebridge Bunratty Shannon Shannon Airport (via N19) Newmarket on Fergus Clarecastle Ennis Barefield Crusheen County Galway Gort Ardrahan Kilcolgan Clarinbridge Oranmore Terminates at M17 near Claregalway
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The N18 road is a national primary road in Ireland, connecting the cities of Limerick and Galway. Ennis and Gort are two major towns on the route, and Shannon Airport is reached via the connecting N19. The west coast route continues on to Sligo as the N17. The section from Limerick to the N19 junction forms part of European route E20, and the entire route is part of the proposed Atlantic Corridor.^[1] The section of motorway from Shannon to Claregalway is designated the M18 motorway. The tolled Limerick Tunnel forms part of the route.