The road travels through northern Arklow, over the River Avoca and up Arklow main street. The road then travels through south Arklow. The R772 then crosses the Wicklow-Wexford border and onwards via the old N11 to Inch.
As it progresses, the road moves through northern Arklow, crossing the River Avoca, and onto Arklow main street. It then enters south Arklow. Afterward, the R772 crosses the Wicklow-Wexford border and continues along the old N11 to Inch.