Exchange knowledge and techniques on roads and road transportation.
The application by a National Government for membership to PIARC must be made in writing on an official letterhead, to be signed by the respective Minister responsible for Roads and Road Transport.
The applications from National Governments are submitted to PIARC's Council approval at its annual meeting.
The application by a Regional Authority for membership to PIARC must be made in writing on an official letterhead, to be signed by the respective Authority responsible for Roads and Road Transport.
Applications from Regional Authorities are submitted to PIARC's Executive Committee approval at their incoming meeting.