Summarizing of international experience of winter slipperiness prevention

Introduction. Maintenance of roads in winter period is a complex of works that include snow resistance, snow removal from roads and slipperiness prevention for ensure the continuous traffic. Different countries have their own approaches for elimination of winter slipperiness, but their essence can be сoncentrated on the following measures: preventive treatment of the pavement to reduce of icing or weakening the adhesion of ice and the pavement; scattering of friction material with or without chemical agents for increasing the coefficient of adhesion of the wheel to the pavement surface; scattering of chemical agents for snow and ice melting with following removal outside of the roadway.The article summarizes the analysis of international experience in elimination and prevention of winter slipperiness formation according to the data of international conferences under the aegis of PIARC.Problems. In conditions of fast development of the transport network of Ukraine the stricter requirements are needed for maintenance of roads and for ensuring the safe traffic on them. The solving of these problems in the winter period also depends of winter slipperiness preventive measures.Purpose. Informing of the road community about the international experience of winter maintenance of roads.Materials and methods. Analysis of information sources regarding the experience of winter maintenance of roads abroad. Results. Specific examples of winter slipperiness preventive measures are given.Conclusions. The experience of different countries in winter slipperiness prevention is summarized and specific examples of its elimination and recommended measures are given.Keywords:road, winter maintenance, ice, maintenance in winter period, icing, deicing materials, brine, salt, slipperiness, snow, sodium chloride