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Languages : en
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Author: National Cooperative Highway Research Program
Publisher:
ISBN: 9780309223607
Category : Highway engineering
Languages : en
Pages : 92
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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
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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: David S. Kriger
Publisher: Transportation Research Board
ISBN: 0309097762
Category : Transportation
Languages : en
Pages : 113
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Category :
Languages : en
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Author: Hani S. Mahmassani, Jiwon Kim, Ying Chen, Yannis Stogios, Andy Brijmohan, and Peter Vovsha
Publisher: Transportation Research Board
ISBN: 0309274508
Category :
Languages : en
Pages : 268
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This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, explores the underlying conceptual foundations of travel modeling and traffic simulation, and provides practical means of generating realistic reliability performance measures using network simulation models.
Author: Ingrid B. Potts, Douglas W. Harwood, Jessica M. Hutton, Chris A. Fees, Karin M. Bauer, Lindsay M. Lucas, Christopher S. Kinzel and Robert J. Frazier
Publisher: Transportation Research Board
ISBN: 0309274389
Category :
Languages : en
Pages : 201
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This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, focuses on geometric design treatments that can be used to reduce delays due to nonrecurrent congestion.
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Languages : en
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Author:
Publisher: Transportation Research Board
ISBN: 0309129265
Category : Technology & Engineering
Languages : en
Pages : 268
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"Reliability of transport, especially the ability to reach a destination within a certain amount of time, is a regular concern of travelers and shippers. The definition of reliability used in this research is how travel time varies over time. The variability can apply to the travel times observed over a road segment during a specific time slice (e.g., 3 to 6 p.m.) over a fairly long period of time, say a year. The variability can also pertain to the travel times of repeated trips made by a person or a truck between a given origin and destination. Agencies are increasingly aware of the issue of reliability, although the transportation industry as a whole as yet lacks a firm understanding of the causes and solutions to failures of reliability. As the agenda for the SHRP 2 research on travel time reliability took shape, it became clear a fundamental study was required to be able to talk about travel time reliability in a meaningful way"--Foreword.
