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Utredning av regler för vinterdäck till tunga fordon: Ett regeringsuppdrag
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle Systems and Driving Simulation..ORCID iD: 0000-0002-8242-3407
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0001-8975-0040
Swedish National Road and Transport Research Institute, Traffic and road users, Driver and vehicle.ORCID iD: 0000-0002-4169-610X
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle Systems and Driving Simulation..ORCID iD: 0000-0002-7780-7449
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2023 (Swedish)Report (Other academic)Alternative title
Evaluation of winter tyre regulations for heavy vehicles : A government assignment (English)
Abstract [sv]

VTI har tillsammans med Transportstyrelsen fått i uppdrag av regeringen att analysera dagens krav på vinterdäck för tunga fordon och utreda behovet av förändrade krav på vinterdäck eller däckutrustning för att minska framkomlighets- och säkerhetsproblem i vägtrafiken när det råder vinterväglag. Om behov finns ska Transportstyrelsen föreslå regeländringar. 2018 togs beslut fram på skärpta krav på vinterdäck till tunga fordon. Kraven blev aktiva 1 juni 2019. I uppdraget från regeringen ingick att följa upp hur de skärpta kraven efterlevs och bedöma vilken effekt som regeländringarna har fått på framkomlighet och trafiksäkerhet. Vi har i denna utredning genomfört fokusgrupper och intervjuer, samlat in statistik och genomfört olycksriskanalyser, samt utfört ett par fältstudier av däckens kondition för lastbilar och bussar i trafik. Vi har gått igenom befintligt regelverk i detalj och jämfört dem med regelverken i Norge och Finland, där man har liknande vinterförhållanden som i Sverige. Baserat på dessa analyser ser vi inga skäl till förändringar av befintligt regelverk för vinterdäck till tunga fordon. Den statistiska analysen kunde inte påvisa någon förbättring av halkrelaterade problem efter skärpningen av vinterdäcksreglerna 2019, varken när det gäller framkomlighet eller trafiksäkerhet.

Abstract [en]

VTI, together with the Swedish Transport Agency, has been commissioned by the government to analyse the current regulations for winter tyres for heavy vehicles and to investigate the need for changed requirements for winter tyres or tyre equipment in order to reduce accessibility and safety problems in road traffic when winter road conditions prevail. If necessary, the Swedish Transport Agency will propose changes to the regulations. The assignment also included following up on compliance with the stricter requirements for winter tyres for heavy vehicles that were decided in 2018, and became active on 1 June 2019, and assessing the effect these regulatory changes have had on accessibility and road safety. In this investigation, we have conducted focus groups and interviews, collected statistics and carried out accident risk analyses, as well as carried out a couple of field studies of the condition of the tyres for trucks and buses in traffic. The existing regulations have been reviewed in detail and compared with the regulations in Norway and Finland, where winter conditions are similar to those in Sweden. Based on these analyses, we see no reason for changes to the existing regulations for winter tyres for heavy vehicles. The statistical analysis did not show any improvement in slippery conditions related to accessibility or road safety effects after the stricter winter tyre regulations in 2019.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2023. , p. 84
Series
VTI rapport, ISSN 0347-6030 ; 1187
Keywords [en]
Government assignment, winter tyres, heavy vehicles
Keywords [sv]
Regeringsuppdrag, vinterdäck, tunga fordon
National Category
Vehicle and Aerospace Engineering
Identifiers
URN: urn:nbn:se:vti:diva-20023OAI: oai:DiVA.org:vti-20023DiVA, id: diva2:1816471
Available from: 2023-12-04 Created: 2023-12-01 Last updated: 2025-02-14Bibliographically approved

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Hjort, MattiasArvidsson, Anna KSandin, JesperKharrazi, SogolNyberg, Jonna

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