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Polisliknande varselväst för motorcyklister: hur påverkas samspelet i trafiken?
Swedish National Road and Transport Research Institute, Society, environment and transport, Mobility, actors and planning processes.ORCID iD: 0000-0002-4715-8935
Swedish National Road and Transport Research Institute, Society, environment and transport, Mobility, actors and planning processes.ORCID iD: 0000-0002-3815-6639
2018 (Swedish)Report (Other academic)Alternative title
Police-like high visibility vests for motorcyclists : how does this affect interactions between road users? (English)
Abstract [sv]

För att lättare upptäckas av andra trafikanter använder många motorcyklister olika typer av varselvästar. Även varselvästar vars utformning påminner om trafikpolisens västar förekommer både nationellt och internationellt. Syftet med denna studie var därför att undersöka om och i så fall hur motorcyklisters interaktion med skyddade trafikanter påverkas av motorcyklistens användande av traditionell varselväst respektive polisliknande varselväst. För att studera detta filmades interaktionen med skyddade trafikanter med hjälp av actionkameror monterade på en motorcyklist som omväxlande körde med svart mc-ställ, traditionell varselväst och polisliknande varselväst. Resultaten visade att det inte fanns någon signifikant skillnad mellan körningarna med svart mc-ställ, traditionell varselväst och polisliknande varselväst med avseende på problemfria interaktioner (egentligen interaktionen flyter på obehindrat) och icke-problemfria interaktioner (egentligen interaktionen störs på något sätt). Däremot fanns det signifikanta skillnader mellan körningarna med polisliknande varselväst och svart mc-ställ respektive traditionell varselväst med avseende på fördelningen inom kategorin icke problemfria interaktioner. Under körningarna med polisliknande varselväst kategoriserades en större andel interaktioner som oväntade icke-problemfria interaktioner (till exempel en skyddad trafikant saktar plötsligt ner till laglig hastighet) medan en mindre andel interaktioner kategoriserades som hastighetsrelaterade icke-problemfria interaktioner (till exempel en skyddad trafikant kör om i högre hastighet än tillåtet). Sammanfattningsvis visar resultaten att användandet av polisliknande varselväst ökar andelen oväntade icke-problemfria interaktioner samtidigt som det minskar andelen hastighetsrelaterade icke problemfria interaktioner.

Abstract [en]

To be easily detected by other road users, many motorcyclists use different types of high visibility vests. Even high visibility vests resembling those used by the police occurs both nationally and internationally. The purpose of this study was therefore to investigate whether and, if so, how motorcyclists’ interaction with protected road users (mostly car drivers) is influenced by the motorcyclists’ use of traditional high visibility vest and police-like high visibility vest. To study this, the interaction with protected road users was filmed using action cameras mounted on a motorcyclist who alternately drove with all black textile protective clothing without a high visibility vest, with a traditional high visibility vest or with a police-like high visibility vest. The results showed that there was no significant difference between the all black textile protective clothing without a high visibility vest, with a traditional high visibility vest or with a police-like high visibility vest regarding problemfree interactions (i.e. the interaction is unimpeded) and non-problem-free interactions (i.e. the interaction is disrupted in some way). On the other hand, there were significant differences between the drives with police-like high visibility vest and the all black textile protective clothing without a high visibility vest and the traditional high visibility vest, with regards to the distribution within the non-problem-free category. During the drives with police-like high visibility vests, a greater proportion of interactions were categorized as unexpected non-problem-free interactions (e.g. a protected road user suddenly slows down to legal speed), while a minor proportion of interactions were categorized as speed-related non-problem-free interactions (e.g. a protected road user drives faster than the speed limit when overtaking). In summary, the findings show that the use of police-like high visibility vests increase the proportion of unexpected non-problem-free interactions while reducing the rate of speedrelated non-problem-free interactions.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2018. , p. 29
Series
VTI rapport, ISSN 0347-6030 ; 956
Identifiers
URN: urn:nbn:se:vti:diva-12798OAI: oai:DiVA.org:vti-12798DiVA, id: diva2:1188008
Available from: 2018-03-06 Created: 2018-03-06 Last updated: 2018-03-06Bibliographically approved

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Wallén Warner, HenriettePatten, Christopher

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CiteExportLink to record
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Citation style
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