As a complement to the World Road Congresses, PIARC has organised since 1969, also every four years, an international congress dedicated to winter road maintenance.
International Winter Road Congresses are a world-class conferences uniting winter road experts from across the globe.
Theses international conferences promote knowledge sharing on winter road issues between countries who experience a severe climate.
The Winter Road Congress takes place every four years. The lessons from 2014 and 2018 are in the following reports below: