Founded in 1909, PIARC (Permanent International Association of Road Congresses) has members (governments, regional authorities, collective and personal members) in more than 140 countries and is a politically neutral and non-profit making association. The organization is supported by national committees in 47 countries.

PIARC is one of the world leader in the exchange of knowledge on roads and road transport policy and practices within an integrated transport context.

In this connection PIARC:

• creates and coordinates Technical Committees
• organizes a quadrennial World Road Congress, a quadrennial Winter Road Congress and various technical seminars
• and publishes a large number of documents including a quarterly magazine (Routes/Roads).