Are PIARC national governments Countries who officially stated their intention of becoming members and had been admitted to membership, pay the prescribed annual subscription to the Association.

Are PIARC Regional Authority Member, regional authorities of a national State (federal or not) which, having officially stated their intention to become a member, and having been admitted as members, pay the prescribed annual subscription to the Association.

Are PIARC Collective Members, authorities or public services of states, departments, provinces, counties, municipalities, other political sub-divisions and executive agencies, scientific and technical associations, Universities, public and private sector companies, consultants, user associations, and other organizations concerned with issues relating to roads and road transport which, having applied for membership of the Association and having been admitted as members, pay the prescribed annual subscription to the Association.

Are PIARC Individual Members, persons having interest in roads and road transport, and who, after applying for and being admitted to membership of the Association, pay the prescribed annual subscription.