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Effect of headligtht luminance and width beetween headlights on night driving distance estimation
University of Grenada, Spain.
Number of Authors: 5
2001 (English)In: Proceedings of the conference Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001 / [ed] Asp, Kenneth, Linköping: Statens väg- och transportforskningsinstitut, 2001, Vol. 18A:3, 10- p.Conference paper, (Other academic)
Abstract [en]

The research reported here is part of a series of experiments that attempted to establish drivers' distance estimation accuracy during nighttime driving. The host car's lights are not only the host driver's main source of illumination, but also a source of distance information that other drivers use to estimate the distance between themselves and the host car's lights. To carry out this research, a photocell system was used to identify the cars' actual position. Sixty-four subjects were required to estimate a range of possible car locations from 60 to 80 m. The effects of headlight luminance and width between headlights were manipulated; more specifically, two levels of headlight luminance were used - namely High: 12 volts 4.4 amps. 258 lm., and Low: 8 volts 4 amps. 120 lm. There were also two levels of width - 1 and 2 m - between headlights. The results showed that subjects are really accurate at estimating the distance of moving and approaching vehicles when subjects are located in a stationary position. Width between headlights seems to play the most important role when estimating distance, while headlight luminance does not seem to play such a major role.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2001. Vol. 18A:3, 10- p.
Series
VTI konferens, ISSN 1104-7267 ; 18A:3
Keyword [en]
Headlight, Luminance, Distance, Estimation, Driving, Night, Accuracy
National Category
Applied Psychology
Research subject
90 Road: Vehicles and vehicle technology, 912 Road: Vehicle lighting; 80 Road: Traffic safety and accidents, 84 Road: Road users
Identifiers
URN: urn:nbn:se:vti:diva-5120OAI: oai:DiVA.org:vti-5120DiVA: diva2:673950
Conference
Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-09-21Bibliographically approved

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http://vti.diva-portal.org/smash/get/diva2:673699/FULLTEXT06.pdf
Applied Psychology

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf