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Ökad hastighetsefterlevnad och sänkta medelhastigheter på det statliga vägnätet: Vilka faktorer kan ha påverkat?
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System.ORCID iD: 0000-0002-9164-9221
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System.ORCID iD: 0000-0003-4680-4795
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0001-6707-6569
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System.ORCID iD: 0000-0003-0969-2771
2023 (Swedish)Report (Other academic)Alternative title
Increased speed compliance and reduced mean speeds on state roads in Sweden : What factors may have influenced this? (English)
Abstract [sv]

Sänkta medelhastigheter för ökad hastighetsefterlevnad är mycket viktigt för att uppnå ökad trafiksäkerhet i samhället. De senaste åren visar mätningar att såväl medelhastigheten som andel hastighetsöverträdelser har minskat. Syftet med projektet är att undersöka vilka faktorer som kan ha påverkat trafikanternas hastighetsefterlevnad i en positiv riktning. Projektet innebär dels en mer detaljerad studie av hastighetsdata, dels en kartläggning av variabler som skulle kunna påverka hastighetsefterlevnaden. Dessutom görs en utblick mot våra nordiska grannländer för att se om de har en liknande positiv utveckling av hastighetsefterlevnaden. Resultaten visar att sedan 2015 har medelhastigheten på det statliga vägnätet minskat med 3 procent eller ca 2 km/tim, enligt Trafikverkets hastighetsindex. Andelen personbilar som håller hastighets-gränsen har ökat med 19 procent under samma tidsperiod (2015–2022). Förändringarna ser relativt lika ut för olika delar av Sverige. Egna beräkningar visar att sett till hastighetsgräns har störst procentuell minskning av medelhastigheten och överträdelser skett på vägar med hastighetsgräns 90 km/tim och minst förändring på motorvägar med hastighetsbegränsning 120 km/tim. Uppdelat på vanlig väg och mötesfri väg var det störst procentuell minskning på vanlig väg. 

Abstract [en]

Reduced mean speeds for increased speed compliance are very important to achieve increased traffic safety. In Sweden, measurements in recent years show a reduction in mean speeds and speeding violations. The aim of this project is to investigate what factors may have contributed to this positive change in speed compliance. This includes both a detailed study of speed data and a survey of variables that may influence speed compliance. The results show that since 2015 the mean speed on the national road networks has decreased by 3 percent or 2 km/h according to the Swedish Transport Administration’s speed index. The proportion of passenger cars that comply with the speed limit has increased by 19 percent during the same time (2015–2022). The changes are similar in different regions of Sweden. Our calculations show that the largest relative reductions of mean speeds and speed violations occurred on roads with speed limits of 90 km/h. Conversely, the smallest reductions were found on motorways with speed limit 120 km/h. Furthermore, the results show that reductions were larger on roads without median barriers.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2023. , p. 81
Series
VTI rapport, ISSN 0347-6030 ; 1195
Keywords [en]
Speed, speed compliance, fuel price, traveling patterns, electric cars, police surveillance
Keywords [sv]
Hastigheter, hastighetsefterlevnad, bränslepris, resmönster, elbilar, polisövervakning
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:vti:diva-20130OAI: oai:DiVA.org:vti-20130DiVA, id: diva2:1825712
Projects
Ökad hastighetsefterlevnad - Vilka faktorer kan ha påverkat? / Increased speed compliance – what factors may have influenced this?
Funder
Swedish Transport AdministrationAvailable from: 2024-01-10 Created: 2024-01-10 Last updated: 2025-09-11Bibliographically approved

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Vadeby, AnnaForsman, ÅsaEriksson, JennyHoward, Christian

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