Railroad-highway Grade Crossing Signal Visibility Improvement Program-vol. I PDF Download
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Author:
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages :
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Author: William Halstead Andrews
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages :
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Author: W. H. Andrews
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: William H. Andrews
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages : 96
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Author: W. H. Andrews
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages : 98
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Book Description
Volume 1 documents the methodology, developments, and findings of the two-year study. Among the significant results of this project are: (1) a new set of crossing signal visibility specifications based on widely accepted definitions of motorists' requirements and a demonstration that currently available signals exceed these specifications when properly maintained; (2) the evaluation of seven alterations to standard crossing signal design and operation with respect to performance improvement and maintenance requirements--several of these modifications offer attractive cost/benefit attributes and are recommended for implementation; and (3) the development and evaluation of three tools of potential value to signal maintenance crews: an alignment scope to aid in aiming of the signal for maximum effectiveness, a signal focusing tool to aid in the critical positioning of the signal lamp with respect to the reflector, and a signal flux meter for measuring the light output of crossing and traffic signals--all of these tools were proven effective and would be useful to a conscientious maintenance team. The prototype signal hardware underwent rigorous laboratory, environmental, and field tests. The maintenance tools were evaluated under laboratory conditions. Vol. III is intended to ba a stand-alone handbook for potential users of the project's developments.
Author: United States. Federal Highway Administration. Office of Engineering. Railroads and Utilities Branch
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages : 260
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This handbook briefly describes how growth of railroads and highways resulted in a proliferation of grade crossings and then discusses the variety of methods developed to warn pedestrians and vehicles of approaching trains. It is aimed primarily at providing railroad, state and municipal personnel with information which can help in cooperative efforts to improve grade crossing safety and efficiency. The book describes conditions and requirements at crossing; facilitates understanding of the elements of crossing systems; provides a compendium of existing grade crossing technology; serves as a guideline to aid in implementing improvements to grade crossings; aids in understanding and applying new technology; and serves as a basic text for training programs.
Author: United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 102
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Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 32
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Author: Allyson J. Hartle
Publisher:
ISBN:
Category : Railroad crossings
Languages : en
Pages : 108
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