The N72 begins in County Waterford at the N25 near Dungarvan. Travelling west from there to Cappoquin the road is single carriageway. From Cappoquin to Lismore the road is of good quality, with hard shoulders and a good surface.
The N72 begins its journey in County Waterford, specifically near Dungarvan on the N25.  Traveling west from there to Cappoquin, the route consists of a single lane. However, between Cappoquin and Lismore, the road is well-maintained with hard shoulders and a smooth surface.