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Author :
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (344 download)
Download or read book "Lights Out" Overhead Guide Sign Demonstration Project written by and published by . This book was released on 1989 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. G. McMillan
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (555 download)
Download or read book "Lights Out" Overhead Guide Sign Demonstration Project written by R. G. McMillan and published by . This book was released on 1989 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (555 download)
Download or read book The Effect on Traffic Safety of the "Lights Out" Demonstration Project on Routes I-10, SR-60, and I-680 written by and published by . This book was released on 1988 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan Everett Upchurch
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of Alternative Lighting Systems for Guide Sign Illumination written by Jonathan Everett Upchurch and published by . This book was released on 1986 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study objective was to identify a lighting system which has a lower power cost and reduced maintenance requirements and which provides adequately for motorists' needs in terms of legibility and illumination level. Twenty-five candidate lighting systems were identified through a review of technical data and specifications for lamps and fixtures by an independent lighting expert. Photometric tests and computer analyses of sign illumination levels reduced the number of candidates to ten alternative systems which were then field tested. Each alternative lighting system was tested for 10 to 14 months. Sign luminance was measured with a telephotometer. Power consumption was monitored. Maintenance requirements and lamp life were noted. A human factors study determined legibility distance and rated viewing comfort, lighting uniformity, and color rendition. An economic analysis was performed which considered the initial cost of acquiring and installing the lighting systems and annual costs for electric power, washing, relamping, and ballast replacement. A lighting system using the high pressure sodium light source was recommended. Compared to the existing commonly used fluorescent system, it uses one-third as much electric power and has about one-third of the annual owning and operating cost. The recommended system has a satisfactory illumination level and provides the best legibility distance of the ten systems tested.
Author : Kjetil Emhjellen
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (1 download)
Download or read book An Analysis of Roadway User Information Systems written by Kjetil Emhjellen and published by . This book was released on 1990 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 884 pages
Book Rating : 4.E/5 ( download)
Download or read book HRIS Abstracts written by and published by . This book was released on 1990 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan Upchurch
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (91 download)
Download or read book Use of Solar Energy for Lighting of Overhead Guide Signs, Roadway Lighting, and Intersection Traffic Signals written by Jonathan Upchurch and published by . This book was released on 1990 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal objective of this study was to demonstrate the technological and economic feasibility (or lack thereof) of photovoltaic powered systems for overhead guide sign lighting, roadway lighting, and traffic signalization. A preliminary technical and economic feasibility study concluded that the first two applications were feasible, but that full-scale traffic signalization was not. In lieu of full-scale traffic signalization, the project developed a system to power flashing warning lights. Photovoltaic systems were designed, constructed, field tested and evaluated for overhead guide sign lighting, roadway lighting, and powering of flashing warning lights. All these systems were found to be dependable and economical for application at remote sites where a conventional power supply is not available. In addition, previous research has shown that roadway lighting can have a safety benefit at remote locations which have a high nighttime accident rate and that flashing warning lights have a safety benefit.
Author : California State Library
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.3/5 (91 download)
Download or read book California State Publications written by California State Library and published by . This book was released on 1989 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Joseph Dexter
Publisher : Transportation Research Board
ISBN 13 : 0309067243
Total Pages : 111 pages
Book Rating : 4.3/5 (9 download)
Download or read book Fatigue-resistant Design of Cantilevered Signal, Sign, and Light Supports written by Robert Joseph Dexter and published by Transportation Research Board. This book was released on 2002 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.3/5 (91 download)
Download or read book Federally Coordinated Program of Highway Research, Development, and Technology. Annual Progress Report. Fiscal Year 1985 written by and published by . This book was released on 1986 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.3/5 (91 download)
Download or read book Public Administration Series--Bibliography written by and published by . This book was released on 1989-07 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 156051325X
Total Pages : 134 pages
Book Rating : 4.5/5 (65 download)
Download or read book Roadway Lighting Design Guide written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2005 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide replaces the 1984 publication entitled An Informational Guide for Roadway Lighting. It has been revised and brought up to date to reflect current practices in roadway lighting. The guide provides a general overview of lighting systems from the point of view of the transportation departments and recommends minimum levels of quality. The guide incorporates the illuminance and luminance design methods, but does not include the small target visibility (STV) method.
Author :
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (555 download)
Download or read book Federally Coordinated Program of Highway Research, Development and Technology written by and published by . This book was released on 1985 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nationally Coordinated Program of Highway Research, Development, and Technology. Annual Progress Report. Fiscal Year 1994 written by and published by . This book was released on 1995 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.U/5 (183 download)
Download or read book Highway Research News written by and published by . This book was released on 1973 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for 1963- include section: Urban transportation research digest.
Author : Paul John Carlson
Publisher :
ISBN 13 : 9780309375474
Total Pages : 84 pages
Book Rating : 4.3/5 (754 download)
Download or read book Guidelines for Nighttime Visibility of Overhead Signs written by Paul John Carlson and published by . This book was released on 2016 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chapter 1. Introduction -- chapter 2. Background -- chapter 3. Closed-course study -- chapter 4. Open-Road study -- chapter 5. Research findings -- References -- appendix A. Incremental effects of light sources and sign sheeting on legend luminance for overhead guide signs -- appendix B. Assessment of background complexity using digital images of roadway scenes by image processing -- appendix C. Open-road study details -- appendix D. Guidelines for Nighttime overhead sign visibility.
Author : United States. Federal Highway Administration. Office of Traffic Operations
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.3/5 (91 download)
Download or read book Roadway Lighting Handbook written by United States. Federal Highway Administration. Office of Traffic Operations and published by . This book was released on 1978 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
