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Trafiksäkerhets- och trygghetsaspekter i samspelet mellan gatumiljöns utformning och en mer energieffektiv belysning
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 0000-0001-5322-9827
2014 (Swedish)Report (Other academic)Alternative title
Traffic safety and perceptions of safety in the interaction between street environment and a more energy efficient lighting (English)
Abstract [sv]

Projektets syfte var att studera trafiksäkerhetsaspekter i ny belysning och deras samspel med gatumiljön för oskyddade trafikanter. Projektet undersökte således belysningsförutsättningar, påverkan på cyklister, samspelet mellan belysning, trafiksäkerhet, gatumiljö och/eller andra effekter såsom trygghet, gällande tre olika ljuskällor och typer av belysning (kvicksilver 125W, keramisk metallhalogen 70W samt LED 25W) belägna i ungefär samma typ av gatumiljö på en gång- och cykelväg på Kungsholms strand i Stockholm. Resultaten visar att energiåtgången för LED är 28 % av traditionell kvicksilverbelysning och 49 % av keramisk metallhalogenbelysning. Denna studie visar att det är möjligt att få tillräckliga jämnhetsnivåer med LED-belysning men att detta är beroende av armaturens utformning, design och antalet stolpar per meter väg (i detta fall 15,3 m stolpavstånd). I denna undersökning påvisades inga skillnader i cykelhastighet för LED-belysning mellan dagsljus och mörker eller mellan olika typer av belysning. Analyser av trygghetsaspekter fungerade bra att göra baserat på enkla uppskattningar av hur bra belysningen fungerar (genom analys av digitala foton) och till exempel upplevelse av synbarhet stämmer mycket bra överens med de uppmätta fysikaliska belysningsmåtten.

Abstract [en]

The project's aim was to study the traffic safety aspects of new lights and the interaction with the street environment for pedestrians and cyclists. This project investigated the lighting conditions, effects on cyclists, and the interactions between lighting, traffic safety, street environmental conditions and/or other effects such as perceptions of safety for three different light sources (mercury vapour 125W, ceramic metal halide 70W and LED 25W) located in about the same type of street environment on a pedestrian and bicycle path on Kungsholms strand in Stockholm. Results show that the energy consumption of the LED lighting is 28% of the traditional mercury vapour lighting and 49% of ceramic metal halide lighting. This study shows that it is possible to obtain sufficient uniformity levels with LED lighting but that the levels are dependent on the luminaire design, pole design and the number of poles per meter road (in this study the pole spacing was 15.3 m). This study demonstrated no difference in cycle speed for LED lighting between daylight and darkness, or between different types of lighting. It worked well to perform analysis of perception of safety aspects based on simple estimates (through analysis of digital photographs). For example, perceptions of visibility corresponds very well with the measured uniformity.

Place, publisher, year, edition, pages
Linköping: VTI , 2014. , 37 p.
Series
VTI rapport, ISSN 0347-6030 ; 816
Keyword [en]
Lighting (street), Light emitting diode, LED, Halide, Mercury, Measurement, Energy consumption, Luminance, Cyclist, Behaviour, Cycling, Speed, Perception, Visibility
National Category
Infrastructure Engineering
Research subject
Road: Highway design, Road: Safety devices; Road: Traffic safety and accidents, Road: Road user behaviour
Identifiers
URN: urn:nbn:se:vti:diva-6860OAI: oai:DiVA.org:vti-6860DiVA: diva2:714169
Available from: 2014-04-25 Created: 2014-04-25 Last updated: 2016-02-22Bibliographically approved

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CiteExportLink to record
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