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Author (up) Atkins, S.; Husain, S.; Storey, A. url  openurl
  Title The Influence of Street Lighting on Crime and Fear of Crime". Type Journal Article
  Year 1991 Publication Crime prevention unit paper No. 28, London Home Office Abbreviated Journal  
  Volume Issue Pages  
  Keywords Public Safety  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ christopher.kyba @ Serial 454  
Permanent link to this record
 

 
Author (up) Bassani, M.; Mutani, G. url  doi
openurl 
  Title Effects of Environmental Lighting Conditions on Operating Speeds on Urban Arterials Type Journal Article
  Year 2012 Publication Transportation Research Record: Journal of the Transportation Research Board Abbreviated Journal Transportation Research Record  
  Volume 2298 Issue 1 Pages 78-87  
  Keywords Lighting; Public Safety  
  Abstract Driver behavior is influenced by environmental lighting conditions on roads; in the literature, many studies report a reduced night–day accident ratio following improvements to lighting on different types of roads, with the results classified by severity and type of accident. Few studies, however, report the influence of lighting conditions on driver speed. This study investigates the principal factors that influence driver speed on arterial roads in Turin, Italy. The aim of this study was to analyze driver speed under different daylight and nighttime lighting conditions. Six arterial roads were selected for observation and the measurement of speeds and illuminance on the pavement surface. The results showed that illuminance, in addition to factors such as lane position, lane width, and the relevant speed limit, should be considered a variable that can influence driver speed. The study used a regression equation to predict operating speeds (V85) on urban arterials; the corresponding sensitivity analysis has made it possible to quantify the effects of the aforementioned variables on operating speed under different environmental lighting conditions.  
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  ISSN 0361-1981 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number GFZ @ kyba @ Serial 2872  
Permanent link to this record
 

 
Author (up) Bullough, J.D.; Skinner, N.P. url  doi
openurl 
  Title Real-World Demonstrations of Novel Pedestrian Crosswalk Lighting Type Journal Article
  Year 2017 Publication Transportation Research Record: Journal of the Transportation Research Board Abbreviated Journal Transportation Research Record: Journal of the Transportation Research Board  
  Volume 2661 Issue Pages 62-68  
  Keywords Lighting; Public Safety; Planning  
  Abstract Outdoor urban pedestrian lighting serves multiple purposes and should do so in the most efficient and economic manner. An important purpose of outdoor urban pedestrian lighting is to support the safety of pedestrians, particularly those who interact with adjacent vehicle traffic, while enhancing pedestrians’ perceptions of personal safety and security. A review of published literature, as well as the demonstration activities summarized, indicates the potential for bollard-level crosswalk lighting to enhance pedestrian visibility and to improve safety at crosswalks, particularly at locations where the presence of a crosswalk might not be expected by approaching drivers. Such locations include midblock crossings, roundabouts, and locations near schools and other public venues that might experience high levels of pedestrian traffic at sporadic or unexpected times.  
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  Series Editor Series Title Abbreviated Series Title  
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  ISSN 0361-1981 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1723  
Permanent link to this record
 

 
Author (up) Clanton, N.; Gibbons, R.; Garcia, J.; Barber, M. url  doi
openurl 
  Title Seattle LED Adaptive Lighting Study Type Report
  Year 2014 Publication Northwest Energy Efficiency Alliance Abbreviated Journal NEEA  
  Volume Issue E14-286 Pages  
  Keywords Public Safety; Lighting; Planning; Vision  
  Abstract The Northwest Energy Efficiency Alliance (NEEA) and the City of Seattle partnered to evaluate the future of solid state street lighting in the Pacific Northwest with a two-night demonstration in Seattle's Ballard neighborhood in March 2012. The study evaluates the effectiveness of LED streetlights on nighttime driver object detection visibility as function of light source spectral distribution (color temperature in degrees K) and light distribution. Clanton & Associates and VTTI also evaluated adaptive lighting (tuning of streetlights during periods of reduced vehicular and pedestrian activity) at three levels: one hundred percent of full light output, fifty percent of full light output, and twenty-five percent of full light output. The study, led by Clanton & Associates, Continuum Industries, and the VTTI, built upon previous visual performance studies conducted in Anchorage, Alaska; San Diego, California; and San Jose, California. The use of LED technology for city street lighting is becoming more widespread. While these lights are primarily touted for their energy efficiency, the combination of LEDs with advanced control technology, changes to lighting criteria, and a better understanding of human mesopic (low light level) visibility creates an enormous potential for energy savings and improved motorist and pedestrian visibility and safety. Data from these tests support the following statements: LED luminaires with a correlated color temperature of 4100K provide the highest detection distance, including statistically significantly better detection distance when compared to HPS luminaires of higher wattage. The non-uniformity of the lighting on the roadway surface provides a visibility enhancement and greater contrast for visibility. Contrast of objects, both positive and negative, is a better indicator of visibility than is average luminance level. Dimming the LED luminaires to fifty percent of IES RP-8 levels did not significantly reduce object detection distance in dry pavement conditions. Participants perceived dimming of sidewalks as less acceptable than dimming to the same level on the roadway. Asymmetric lighting did reduce glare and performed similarly to the symmetric lighting at the same color temperature (4100K).  
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  Language English Summary Language English Original Title  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1763  
Permanent link to this record
 

 
Author (up) Clark, B.A.J. url  openurl
  Title Outdoor Lighting and Crime, Part 2: Coupled Growth. Type Report
  Year 2003 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords Security; Society; Safety; crime; public safety  
  Abstract Experimental evidence about the relationship between outdoor lighting and crime was examined in Part 1 of this work. Although the presence of light tends to allay the fear of crime at night, the balance of evidence from relatively short-term field studies is that increased lighting is ineffective for preventing or deterring actual crime. In this second part, available evidence indicates that darkness inhibits crime, and that crime is more encouraged than deterred by outdoor lighting. A new hypothesis is developed accordingly. Additional quantitative evidence supports the hypothesis. Excessive outdoor lighting appears to facilitate some of the social factors that lead to crime. The proliferation of artificial outdoor lighting has been fostered with little regard for the environmental consequences of wasteful practice. Widely observed exponential increases in artificial skyglow indicate that the growth of outdoor lighting is unsustainable. The natural spectacle of the night sky has already been obliterated for much of the population of the developed world. Copious artificial light has transformed civilisation, but increasing knowledge of its adverse environmental, biological and cultural effects now justifies large overall reductions in outdoor ambient light at night as well as in its waste component. ‘Good’ lighting has to be redefined. Moderation of outdoor ambient light levels may reduce crime in due course, as well as limiting the adverse environmental effects. Lighting controls might provide a means of limiting urbanisation and urban sprawl. National crime prevention policies, laws, lighting standards, architectural use of light and urban planning practice appear in need of fundamental changes.  
  Address Astronomical Society of Victoria, Inc., Australia  
  Corporate Author Thesis  
  Publisher Self-published Place of Publication Editor  
  Language Summary Language Original Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kagoburian @; IDA @ john @ Serial 1017  
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