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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.

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  4. The Crni Kal viaduct

The Crni Kal viaduct

The Črni Kal viaduct is one of the most advanced civil engineering project ever undertaken in the Republic of Slovenia. This article presents some of the technical and environmental challenges during the design and construction of the viaduct. Severe local weather conditions were also issues confronted and solved.