The purpose of the experiment in Vasterbotten county is to study the consequences for road users and road maintenance authorities, as well as road user opinion, when the extent of the salted road network is reduced. Over a period of two winters, a section of the E4 just over 50 km in length was selected as a test road, where no deicing was allowed. The following effects were studied: Road condition; Friction; Variation in traffic flow according to road condition; Spot speed; Standstills and tailbacks; Accidents; Implemented actions and the costs of the road maintenance authority; Road user opinion; Work environment of the road maintenance authority; and Experience of the road maintenance authority. Follow-up studies show for example that the experiment has had the following effects: an increase with one third of the number of days with icy and snow-covered roads, the police reported accidents increased with 33% and most of the road users are against the use of salt.
MINSALT: Foersoek med Osaltad vaeg i Vaesterbottens Laen (MINSALT: An Experiment with Unsalted Road in Vaesterbotten County)
1991
132 pages
Report
No indication
English
Highway Engineering , Transportation & Traffic Planning , Transportation , Road Transportation , Highway maintenance , Pavement damage , Inorganic salts , Winter driving , Highway management , Ice prevention , Sweden , Driver attitudes , Cold weather operations , Deicers , Pavement condition , Road conditions , Foreign technology , Vasterbotten County(Sweden)
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