Welcome on piarc.org!

PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

This site uses cookies to optimize its operation. They allow you to securely access your personal space and download our publications. You accept their use by clicking on the "Accept" button.

Publications Routes/Roads Road pavements

This page lists Routes/Roads articles of PIARC in the field of road pavements. These publications are classified chronologically.

  • Paving our Ways: A History of the World’s Roads and Pavements

    Travel has always played an important role in the functioning of the human species. After our ancestors descended from the trees, the character of that role changed as human existence now relied on journeys across the ground. Frequent essential journeys to one particular location, such as a waterhole, led to the incidental creation of tracks and paths. Some paths later became wide enough to be called roads and some of these paths and roads came to have surfaces applied to them. The purpose of these [...]

  • Development of Environment Friendly Cold Mix Asphalt

    Bagged cold asphalt repair materials (cold asphalt mixtures) are used for different purposes such as repair of potholes and bumps in pavements making paving work easy and storage stability high. However, because their strength development is slow compared to hot asphalt mixtures and durability is also poorer, cold asphalt mixtures have been mainly used for the temporary rehabilitation of lightly trafficked roads. Meanwhile, the recent years have seen efforts being made to improve the durability [...]

  • XXVI World Road Congress – Abu Dhabi, October 2019 Connecting Cultures, Enabling Economies - General Report

    The General Report of the XXVI World Road Congress has been prepared by GHD under contract with the Abu Dhabi Department of Transport, on behalf of the United Arab Emirates. It has not been possible to include the conclusions of all sessions in this report. They will be available from PIARC’s website.

  • And what if the road of the future was already within our grasp?

    This article describes the breakthrough innovation called Wattway, the world's first photovoltaic road surfacing material.

  • Reuse opportunities for electric steel mill slag in Morocco's road-building sector

    This article describes techniques that reuse locally available materials or materials originating from an industrial source, as is the case with electric steel mill slag within the road community.