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Author: Jonathan M. Re Publisher: Transportation Research Board ISBN: 0309223601 Category : Business & Economics Languages : en Pages : 54
Book Description
TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 431: Practices to Manage Traffic Sign Retroreflectivity includes examples of practices that illustrate how different types of transportation agencies might meet federal retroreflectivity requirements for traffic signs.
Author: Jonathan M. Re Publisher: Transportation Research Board ISBN: 0309223601 Category : Business & Economics Languages : en Pages : 54
Book Description
TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 431: Practices to Manage Traffic Sign Retroreflectivity includes examples of practices that illustrate how different types of transportation agencies might meet federal retroreflectivity requirements for traffic signs.
Author: Hugh W. McGee Publisher: ISBN: Category : Reflectance Languages : en Pages : 54
Book Description
The Federal Highway Administration (FHWA) has developed guidelines for minimum retroreflectivity levels for four groups of signs: 1) yellow/orange-on-black warning signs, 2) black-on-white regulatory signs, 3) white-on-red regulatory signs, and 4) white-on-green guide signs. The report presents data on percentage of signs by the various types of retroreflective sheeting for both States and local agencies, a distribution of age of signs by type of sheeting, and the percentage of signs that would not meet the minimum retroreflectivity values. The report also presents a summary of the data and comments provided by the participating agencies related to the minimum retroreflectivity values.
Author: Kenneth S. Opiela Publisher: ISBN: Category : Reflectance Languages : en Pages : 32
Book Description
"This report analyzes the impacts that might be expected from the adoption of proposed minimum maintained retroreflectivity levels for traffic signs to improve night visibility. The report evaluates the broad spectrum of concerns expressed by State and local agency staff at four workshops held during the summer of 2002. These include administrative, fiscal, implementation, and tort liability concerns"--Technical report documentation page.
Author: Hugh W. McGee Publisher: ISBN: Category : Reflectance Languages : en Pages : 64
Book Description
To assist agencies in developing a cost-effective program for timely replacement of ineffective signs, this document was prepared. Initially the report describes the principles of retroreflectivity, the types of retroreflective materials, and the proposed minimum retroreflectivity guidelines. Then, the report presents the concept of a sign management system, and provides guidance for developing a sign inventory, conducting sign inspections, and maintaining signs. The report concludes with discussing options that State and local agencies can follow for replacing their ineffective signs and offers a minimum and desirable program.
Author: Richard A. Cunard Publisher: Transportation Research Board ISBN: 9780309049108 Category : Technology & Engineering Languages : en Pages : 148
Book Description
This synthesis will be of interest to traffic engineers, maintenance managers, sign shop supervisors, and others interested in the maintenance of street and highway signs. Detailed information is presented on the current practices of state and local governments in managing the maintenance of street and highway signs within their jurisdictions. The maintenance of street and highway signs is viewed as a means for improving the effectiveness of a signing system. This report of the Transportation Research Board describes the maintenance practices of several state and local highway agencies along with the rationale for those practices. It covers inspection, refurbishing, and replacement practices, along with information on equipment and personnel requirements.
Author: Antoine Bricker Publisher: Nova Science Publishers ISBN: 9781631171604 Category : Traffic signs and signals Languages : en Pages : 0
Book Description
This book may be of use to traffic engineers and researchers who are concerned with the conspicuity of traffic signs. The Manual on Uniform Traffic Control Devices advises that, "Signs should be placed on the right side of the roadway where they are easily recognised and understood by road users". Guidance is provided on the spacing and prioritisation of signs, and in some conditions, additional steps may be needed to ensure that signs are conspicuous. This book also provides federal regulations that have been put in place to ensure that traffic signs are visible at night, and discusses impacts on state and local agencies of maintaining traffic sign retroreflectivity.
Author: Jonathan M. Re
Author: Jonathan M. Re
Author: Hugh W. McGee
Author: Kenneth S. Opiela
Author: Paul John Carlson
Author: Kent L. Black
Author: 
Author: Hugh W. McGee
Author: Richard A. Cunard
Author: Antoine Bricker
Author: Edwin A. Lagergren