Changeable Message Sign Visibility Final Report

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Changeable Message Sign Visibility Final Report

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Author : Philip M. Garvey
language : en
Publisher:
Release Date : 1996

Changeable Message Sign Visibility Final Report written by Philip M. Garvey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Legibility (Printing) categories.

The object of this contract was to identify problems with the visibility of changeable message signs (CMSs), particularly for older drivers, and to develop design guidelines and operational recommendations to ensure adequate conspicuity and legibility of in-service CMSs. This project was divided into three main sections: a field survey of in-use CMSs, a series of laboratory experiments and static field studies, and a partially controlled dynamic field study. The research was designed to optimize CMS components, including the character variables (font, width-to-height ratio, color, and contrast orientation) and the message variables (inter-letter, inter-word, and inter-line spacing).

National Experimental Projects Tabulation

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Author :
language : en
Publisher:
Release Date : 1985

National Experimental Projects Tabulation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Highway research categories.

Policies For Use Of Changeable Message Signs In Highway Work Zones

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Author : Siim Soot
language : en
Publisher:
Release Date : 1999

Policies For Use Of Changeable Message Signs In Highway Work Zones written by Siim Soot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Electronic traffic controls categories.

Portable Changeable Message Sign (PCMS) systems used in work zones are programmable supplementary traffic control devices that display messages composed of letters, symbols or both and provide information and instructions to the traveling public approaching work zone activities. The study seeks to develop warrants and criteria for PCMS deployment in Illinois highway work zones. It is recommended that PCMS systems be used during long- and intermediate-term stationary work, for traffic control through incident areas, and in projects where advance-time notification is needed. The discussion focuses on spacing criteria, number of signs required, sign visibility and message legibility, text alignment, distance criteria, message length, duration and type, project-level operational guidelines, message storage and dissemination, repair, maintenance and utility costs, as well as control and coordination issues. The study concludes that additional research is needed in order to: develop a comprehensive standardized statewide database of messages and message abbreviations; develop a comprehensive repository with information about the technology of the various components of the PCMS units; coordinate PCMS units used in highway work zones with a corridor or regional ATMS system; and maintain information about the use of a PCMS unit in a work zone project and possibly integrate it with other relevant information in a management system.

Nationally Coordinated Program Of Highway Research Development And Technology Annual Progress Report Fiscal Year 1994

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Author :
language : en
Publisher:
Release Date : 1995

Nationally Coordinated Program Of Highway Research Development And Technology Annual Progress Report Fiscal Year 1994 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

Uniform Traffic Control And Warning Messages For Portable Changeable Message Signs Final Report

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Author : Richard L. Knoblauch
language : en
Publisher:
Release Date : 1995

Uniform Traffic Control And Warning Messages For Portable Changeable Message Signs Final Report written by Richard L. Knoblauch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

Highway Safety 1996 A Report On Activities Under The Highway Safety Act Of 1966 As Amended

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Author :
language : en
Publisher:
Release Date : 1999

Highway Safety 1996 A Report On Activities Under The Highway Safety Act Of 1966 As Amended written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Report No Fhwa Rd

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Author : United States. Federal Highway Administration. Offices of Research and Development
language : en
Publisher:
Release Date : 1977

Report No Fhwa Rd written by United States. Federal Highway Administration. Offices of Research and Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1978-04

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978-04 with Aeronautics categories.

Human Factors Guidelines For Road Systems

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Author : John L. Campbell
language : en
Publisher: Transportation Research Board
Release Date : 2010

Human Factors Guidelines For Road Systems written by John L. Campbell and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Technology & Engineering categories.

NCHRP report 600 explores human factors principles and findings for consideration by highway designers and traffic engineers. The report is designed to help the nonexpert in human factors to consider more effectively the roadway user's capabilities and limitations in the design and operation of highway facilities.

Safety And Environmental Design Considerations In The Use Of Commercial Electronic Variable Message Signage Final Report

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Author : Jerry Wachtel
language : en
Publisher:
Release Date : 1980

Safety And Environmental Design Considerations In The Use Of Commercial Electronic Variable Message Signage Final Report written by Jerry Wachtel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.