R171 road
Bóthar R171
Knockbridge, on the R171
Route information
Length	21 km (13 mi)
Location
Country	Ireland
Primary destinations	County Louth leaves the N2 at Ardee crosses the R166 at Tallanstown crosses the M1 motorway at Little Mills Terminates at junction with the R132 at Dundalk
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The R171 road is a regional road in Ireland linking Ardee and Dundalk in County Louth. ^[1] The road is 21 km (13 mi) long. Clochafarmore is located along the R171.