Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Speed Responses to Speed Humps as Affected by Time of Day and Light Conditions on a Residential Road with Light-Emitting Diode (LED) Road Lighting
Calluna AB, Nacka, Sweden.ORCID-id: 0000-0001-5322-9827
Lund University, Lund, Sweden.
Lund University, Lund, Sweden.
2018 (Engelska)Ingår i: Safety, E-ISSN 2313-576X, nr 1, artikel-id 10Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The speed-reducing effect of speed humps during darkness is important to ensure a consistent speed reduction and a decreased probability of accidents during darkness. This study examined the effects of speed humps, compared with a control location, on a residential road in Sweden with light-emitting diode (LED) street lighting and a 30 km/h posted speed limit. Hypotheses tested were that: (I) vehicle speed is higher during daylight than in darkness; (II) speed at speed humps is lower than at control locations during both daylight and darkness; (III) speed at humps is higher during daylight; (IV) vehicle speed at humps is lower when luminance or visibility of the humps is greater; and, (V) the road environment of speed humps is perceived as being similar by drivers. The results showed that vehicle speed at the control location was negligibly higher (+0.3 km/h) during daylight than in darkness. Speed humps reduced driving speed by 20% when compared with the posted speed limit and the effect was not significantly different between daylight and darkness. Speed reduction for the three speed humps varied between 9% and 29% as compared with the posted speed limit. In this study, the LED road lighting that was placed directly above or in front of the hump achieved the highest luminance. This study could not reveal any significant differences in vehicle speed attributable to light conditions per se.

Ort, förlag, år, upplaga, sidor
Basel, 2018. nr 1, artikel-id 10
Nyckelord [en]
speed-reduction, measures, street, lighting, day; night, traffic calming
Nationell ämneskategori
Infrastrukturteknik
Identifikatorer
URN: urn:nbn:se:hj:diva-41010DOI: 10.3390/safety4010010ISI: 000428668800010OAI: oai:DiVA.org:hj-41010DiVA, id: diva2:1233708
Tillgänglig från: 2018-07-19 Skapad: 2018-07-19 Senast uppdaterad: 2018-07-19Bibliografiskt granskad

Open Access i DiVA

fulltext(5585 kB)59 nedladdningar
Filinformation
Filnamn FULLTEXT01.pdfFilstorlek 5585 kBChecksumma SHA-512
ee8e244299d6d0b27546c301200b646f5e415b6a6a9b50ae3dd6da6faccca8175d947e2af21b8e9c2515394b5ca77b4cb6149aabf297dd8bd6515b55dd84b155
Typ fulltextMimetyp application/pdf

Övriga länkar

Förlagets fulltext

Personposter BETA

Jägerbrand, Annika K.

Sök vidare i DiVA

Av författaren/redaktören
Jägerbrand, Annika K.
Infrastrukturteknik

Sök vidare utanför DiVA

GoogleGoogle Scholar
Totalt: 59 nedladdningar
Antalet nedladdningar är summan av nedladdningar för alla fulltexter. Det kan inkludera t.ex tidigare versioner som nu inte längre är tillgängliga.

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 90 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf