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Author Fotios, S.; Gibbons, R.
Title Road lighting research for drivers and pedestrians: The basis of luminance and illuminance recommendations Type Journal Article
Year 2018 Publication Lighting Research & Technology Abbreviated Journal Lighting Research & Technology
Volume 50 Issue 1 Pages 154-186
Keywords Security; Public Safety; Lighting; Review
Abstract (up) This article discusses quantitative recommendations for road lighting as given in guidelines and standards, primarily, the amount of light. The discussion is framed according to the type of road user, the driver and the pedestrian, these being the user groups associated with major and minor roads, respectively. Presented first is a brief history of road lighting standards, from early to current versions, and, where known, the basis of these standards. Recommendations for the amount of light do not appear to be well-founded in robust empirical evidence, or at least do not tend to reveal the nature of any evidence. This suggests a need to reconsider recommended light levels, a need reinforced by recent developments in the science and technology of lighting and of lighting research. To enable improved recommendations, there is a need for further evidence of the effects of changes in lighting: This article therefore discusses the findings of investigations, which might be considered when developing new standards.
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kyba @ Serial 1790
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Author Stone, T.; Santoni de Sio, F.; Vermaas, P.E.
Title Driving in the Dark: Designing Autonomous Vehicles for Reducing Light Pollution Type Journal Article
Year 2019 Publication Science and Engineering Ethics Abbreviated Journal Sci Eng Ethics
Volume Issue Pages 1-17
Keywords Society; Darkness; Planning; Public Safety; Design for values
Abstract (up) This paper proposes that autonomous vehicles should be designed to reduce light pollution. In support of this specific proposal, a moral assessment of autonomous vehicles more comprehensive than the dilemmatic life-and-death questions of trolley problem-style situations is presented. The paper therefore consists of two interrelated arguments. The first is that autonomous vehicles are currently still a technology in development, and not one that has acquired its definitive shape, meaning the design of both the vehicles and the surrounding infrastructure is open-ended. Design for values is utilized to articulate a path forward, by which engineering ethics should strive to incorporate values into a technology during its development phase. Second, it is argued that nighttime lighting-a critical supporting infrastructure-should be a prima facie consideration for autonomous vehicles during their development phase. It is shown that a reduction in light pollution, and more boldly a better balance of lighting and darkness, can be achieved via the design of future autonomous vehicles. Two case studies are examined (parking lots and highways) through which autonomous vehicles may be designed for “driving in the dark.” Nighttime lighting issues are thus inserted into a broader ethics of autonomous vehicles, while simultaneously introducing questions of autonomous vehicles into debates about light pollution.
Address Department Ethics/Philosophy of Technology, Delft University of Technology, Delft, Netherlands
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 1353-3452 ISBN Medium
Area Expedition Conference
Notes PMID:30903370 Approved no
Call Number GFZ @ kyba @ Serial 2277
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Author DeCoursey, W., Braun, D., & Oza, J.
Title Pedestrian Lighting, Acceptable Levels of Light: A Pilot Project Type Journal Article
Year 2019 Publication Institute for Public Administration Abbreviated Journal
Volume Issue Pages
Keywords Lighting; Public Safety; Security
Abstract (up) This pilot project study was intended to demonstrate that assessing the adequacy of an area’s pedestrian lighting need not be an expensive, time-consuming, or overly complicated process. Though the discussion of methods of pedestrian lighting can become quite technical and involved, as demonstrated in a 2016 IPA report on the topic, “Delaware Transportation Lighting Inventory & Assessment” (http://www.ipa.udel.edu/publications/transportationlighting-2016.pdf), simply observing and recording light levels in a given study area is quite straightforward.
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Notes Approved no
Call Number IDA @ intern @ Serial 2710
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Author Wanvik, P.O.
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 (up) 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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ISSN 0001-4575 ISBN Medium
Area Expedition Conference
Notes PMID:19114146 Approved no
Call Number IDA @ john @ Serial 250
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Author Wood, J.M.; Tyrrell, R.A.; Carberry, T.P.
Title Limitations in drivers' ability to recognize pedestrians at night Type Journal Article
Year 2005 Publication Human Factors Abbreviated Journal Hum Factors
Volume 47 Issue 3 Pages 644-653
Keywords Vision; Public Safety; Adult; Age Factors; Aged; *Automobile Driving/psychology; Clothing; *Darkness; Female; Humans; Male; Middle Aged; Reaction Time; Task Performance and Analysis; Visual Perception
Abstract (up) This study quantified drivers' ability to recognize pedestrians at night. Ten young and 10 older participants drove around a closed road circuit and responded when they first recognized a pedestrian. Four pedestrian clothing and two beam conditions were tested. Results demonstrate that driver age, clothing configuration, headlamp beam, and glare all significantly affect performance. Drivers recognized only 5% of pedestrians in the most challenging condition (low beams, black clothing, glare), whereas drivers recognized 100% of the pedestrians who wore retroreflective clothing configured to depict biological motion (no glare). In the absence of glare, mean recognition distances varied from 0.0 m (older drivers, low beam, black clothing) to 220 m (722 feet; younger drivers, high beam, retroreflective biomotion). These data provide new motivation to minimize interactions between vehicular and pedestrian traffic at night and suggest garment designs to maximize pedestrian conspicuity when these interactions are unavoidable.
Address Center for Eye Research, Queensland University of Technology, Brisbane, Australia. j.wood@qut.edu.au
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ISSN 0018-7208 ISBN Medium
Area Expedition Conference
Notes PMID:16435703 Approved no
Call Number GFZ @ kyba @ Serial 2804
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