Guidelines for Nighttime Visibility of Overhead Signs PDF Download
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Author: Paul John Carlson
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 84
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Book Description
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: Paul John Carlson
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 84
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Book Description
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
Publisher:
ISBN:
Category : Automobile driving at night
Languages : en
Pages : 91
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Book Description
Author: Donald A. Gordon
Publisher:
ISBN:
Category :
Languages : en
Pages : 104
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Book Description
Author: Donald A. Gordon
Publisher:
ISBN:
Category : Automobile driving at night
Languages : en
Pages : 108
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Book Description
Considers adequacy of proposed guidelines which will eliminate illumination and the use of reflective sign backgrounds in highway guide signs.
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Book Description
Author: Paul John Carlson
Publisher:
ISBN: 9780309375474
Category : Traffic signs and signals
Languages : en
Pages : 84
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Book Description
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: Donald A. Gordon
Publisher:
ISBN:
Category :
Languages : en
Pages : 99
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Book Description
Author: Anthony C. Stein
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 38
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Book Description
The project discussed in this report concerned the night use of overhead guide signs, including button and reflectorized copy and all practical combinations of reflectorized and opaque backgrounds. This project was a follow up effort to the literature review by Gordon. Gordon's review found areas requiring further investigation, including the comparison of nonilluminated nonretroreflectorized signs with both illuminated nonretroreflectorized and retroreflectorized signs.
Author:
Publisher:
ISBN:
Category : Mortality
Languages : en
Pages : 108
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Book Description
Author: Hugh W. McGee
Publisher: Transportation Research Board
ISBN: 9780309049023
Category : Transportation
Languages : en
Pages : 52
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Book Description
This synthesis will be of interest to traffic engineers, planners, and others interested in making sure that motorists' needs for directional information on freeways are being met. Information is provided on policies and procedures used by states in evaluating freeway guide signs and replacing those that are outdated or deteriorated. Many signs on freeways and other controlled-access highways have exceeded their service life and are no longer serving motorists' needs. This report of the Transportation Research Board describes the policies, proceduress, and criteria used by states for freeway sign evaluation and replacement programs.
