Waterford City and County Council is the authority responsible under the Road Traffic Act 1961 for the planning, construction, and maintenance of all public highways in County Waterford other than those forming part of the national road network – motorways, national primary, and national secondary routes – which are the responsibility of Transport Infrastructure Ireland.
The council's main administrative centres are City Hall, The Mall, Waterford, and the Civic Offices, Davitt's Quay, Dungarvan. The Roads Department is based in Dungarvan.
Motor vehicle index marks issued in the Waterford registration district incorporate the letter W. Marks issued in the period from 1 January 1987 to 31 May 2014 incorporated the index letters W (City of Waterford) or WD (County Waterford).
