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Author Fotios, S., Price, T url  openurl
  Title Road lighting and accidents: Why lighting is not the only answer Type Journal Article
  Year 2017 Publication Lighting Journal Abbreviated Journal  
  Volume 82 Issue 5 Pages 22-26  
  Keywords Lighting; Public Safety  
  Abstract (down) Tony Price and Steve Fotios point out that while road lighting can be a significant counter measure to accidents, and that higher levels might help, the presence of road lighting does not guarantee all accidents will be avoided.  
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  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1767  
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Author Ciriminna, R.; Meneguzzo, F.; Albanese, L.; Pagliaro, M. url  doi
openurl 
  Title Solar street lighting: a key technology en route to sustainability: Solar street lighting technology for sustainability Type Journal Article
  Year 2016 Publication Wiley Interdisciplinary Reviews: Energy and Environment Abbreviated Journal WIREs Energy Environ  
  Volume 6 Issue 2 Pages in press  
  Keywords Lighting, Energy  
  Abstract (down) Today’s solar street LED lights are able to provide reliable, quality lighting both in developing and developed countries, thereby reducing light poverty and the economic and environmental costs of electric outdoor lighting. Rapid technical innovation and dramatic price reduction in the LED, PV module, and battery components, which has occurred in the last 5 years, will accelerate the penetration of solar street LED lights across the world. Applications will not be limited to countries with significant insolation only but will extend to Northern regions as well. This study provides a critical overview of a technology that will play an important role en route to global sustainability.  
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  ISSN 2041-8396 ISBN Medium  
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  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1487  
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Author Lin, Y.; Liu, Y.; Sun, Y.; Zhu, X.; Lai, J.; Heynderickx, I. url  doi
openurl 
  Title Model predicting discomfort glare caused by LED road lights Type Journal Article
  Year 2014 Publication Optics Express Abbreviated Journal Opt. Express  
  Volume 22 Issue 15 Pages 18056  
  Keywords LED; LED lighting; glare; road safety; traffic  
  Abstract (down) To model discomfort glare from LED road lighting, the effect of four key variables on perceived glare was explored. These variables were: the average glare source luminance (Lg), the background luminance (Lb), the solid angle of the glare source from the perspective of the viewer; and the angle between the glare source and the line of sight. Based on these four variables 72 different light conditions were simulated in a scaled experimental set-up. Participants were requested to judge the perceived discomfort glare of these light conditions using the deBoer rating scale. All four variables and some of their interactions had indeed a significant effect on the deBoer rating. Based on these findings, we developed a model, and tested its general applicability in various verification experiments, including laboratory conditions as well as real road conditions. This verification proved the validity of the model with a correlation between measured and predicted values as high as 0.87 and a residual deviation of about 1 unit on the deBoer rating scale. These results filled the gap in estimating discomfort glare of LED road lighting and clarified similarities of and differences in discomfort glare between LED and traditional light sources.  
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  Series Volume Series Issue Edition  
  ISSN 1094-4087 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number IDA @ john @ Serial 351  
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Author Narendran, N.; Freyssinier, J.; Zhu, Y. url  doi
openurl 
  Title Energy and user acceptability benefits of improved illuminance uniformity in parking lot illumination Type Journal Article
  Year 2015 Publication Lighting Research and Technology Abbreviated Journal Lighting Res. & Tech.  
  Volume 48 Issue 7 Pages 789-809  
  Keywords Lighting; parking lots; uniformity; light distribution; illuminance; LED  
  Abstract (down) This study set out to understand the benefits of improved illuminance uniformity in parking lots in terms of user perception and acceptability, as well as energy use, and to demonstrate that light-emitting diodes (LEDs) can achieve uniform distributions more efficiently than traditional light sources. The results from a field evaluation showed that more uniform illuminance distributions are favourably perceived by people in terms of goodness of illumination, ability to see around and at a distance, and perception of safety -- all of this at a much lower average horizontal illuminance. Thus, improving uniformity alone can translate into lower energy use and potential for less glare and light pollution. Optical modelling showed that LEDs have a much greater potential to efficiently produce uniform illuminance distributions than larger light sources such as high pressure sodium or metal halide.  
  Address Lighting Research Center, 21, Union Street, Troy, NY 12180, USA; narenn2@rpi.edu  
  Corporate Author Thesis  
  Publisher SAGE Place of Publication Editor  
  Language English Summary Language English Original Title  
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  Notes Approved no  
  Call Number IDA @ john @ Serial 1184  
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Author Wanvik, P.O. url  doi
openurl 
  Title Effects of road lighting: an analysis based on Dutch accident statistics 1987-2006 Type Journal Article
  Year 2009 Publication Accident; Analysis and Prevention Abbreviated Journal Accid Anal Prev  
  Volume 41 Issue 1 Pages 123-128  
  Keywords Accidents, Traffic/*statistics & numerical data; Automobile Driving/*statistics & numerical data; Confidence Intervals; Cross-Sectional Studies; Humans; *Lighting; Netherlands; Odds Ratio; Risk Factors; Safety; *Visual Fields  
  Abstract (down) This study estimates the safety effect of road lighting on accidents in darkness on Dutch roads, using data from an interactive database containing 763,000 injury accidents and 3.3 million property damage accidents covering the period 1987-2006. Two estimators of effect are used, and the results are combined by applying techniques of meta-analysis. Injury accidents are reduced by 50%. This effect is larger than the effects found in most of the earlier studies. The effect on fatal accidents is slightly larger than the effect on injury accidents. The effect during twilight is about 2/3 of the effect in darkness. The effect of road lighting is significantly smaller during adverse weather and road surface conditions than during fine conditions. The effects on pedestrian, bicycle and moped accidents are significantly larger than the effects on automobile and motorcycle accidents. The risk of injury accidents was found to increase in darkness. The average increase in risk was estimated to 17% on lit rural roads and 145% on unlit rural roads. The average increase in risk during rainy conditions is about 50% on lit rural roads and about 190% on unlit rural roads. The average increase in risk with respect to pedestrian accidents is about 140% on lit rural roads and about 360% on unlit rural roads.  
  Address Norwegian Public Roads Administration, Region South, Serviceboks 723, 4808 Arendal, Norway. per.wanvik@vegvesen.no  
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  Language English Summary Language Original Title  
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  ISSN 0001-4575 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:19114146 Approved no  
  Call Number IDA @ john @ Serial 250  
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