The Relationship Between Highway Geometrics, Traffic Related Elements and Motor Vehicle Accidents PDF Download

Author: John Calvin Milton
Publisher:
ISBN:
Category : Poisson processes
Languages : en
Pages : 88

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Author:
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 138

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Book Description
Cumulation of citations appearing in weekly issues of Highway safety literature.

Author:
Publisher: Transportation Research Board
ISBN: 9780309065023
Category : Business & Economics
Languages : en
Pages : 444

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Book Description
TRB Special Report 254 - Managing Speed: Review of Current Practices for Setting and Enforcing Speed Limits reviews practices for setting and enforcing speed limits on all types of roads and provides guidance to state and local governments on appropriate methods of setting speed limits and related enforcement strategies. Following an executive summary, the report is presented in six chapters and five appendices.

Author: National Research Council (U.S.). Transportation Research Board
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 224

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Author:
Publisher: AASHTO
ISBN: 1560512717
Category : CD-ROMS.
Languages : en
Pages : 142

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Book Description

Author: Marjorie Peden
Publisher: DIANE Publishing
ISBN: 1437904068
Category : Transportation
Languages : en
Pages : 67

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Book Description
Every day thousands of people are killed and injured on our roads. Millions of people each year will spend long weeks in the hospital after severe crashes and many will never be able to live, work or play as they used to do. Current efforts to address road safety are minimal in comparison to this growing human suffering. This report presents a comprehensive overview of what is known about the magnitude, risk factors and impact of road traffic injuries, and about ways to prevent and lessen the impact of road crashes. Over 100 experts, from all continents and different sectors -- including transport, engineering, health, police, education and civil society -- have worked to produce the report. Charts and tables.

Author: United States. National Highway Safety Bureau
Publisher:
ISBN:
Category :
Languages : en
Pages : 132

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Author: John Sanders Miller
Publisher:
ISBN:
Category : Global Positioning System
Languages : en
Pages : 76

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Book Description
Countermeasures for motor vehicle crashes are often determined after extensive data analysis of the crash history of a roadway segment. An important factor that drives the value of this analysis is the accuracy, or precision, with which the crash is located. Yet this location is only as accurate as the estimate of the police officer. In light of this, many have suggested that global positioning system (GPS) technology has the potential to increase data accuracy and decrease the time spent recording crash location data. Over 10 months, the locations of 34 crashes were determined using both the conventional method and a hand-held GPS receiver. The two methods were compared in terms of timeliness and precision. The benefits of any improved precision using the GPS were assessed through querying crash data analysts at the local level as to how the improved precision affected their consideration of potential crash countermeasures for five crashes selected from the sample. At the scene of the crash, the use of GPS receivers added up to an average of 10 extra minutes per crash, depending on how crash location was defined. There was an average disparity of 130 ft (39 m) between the location as determined with the GPS and conventional methods, presuming the GPS precision given in the literature is within 7 ft (2 m). However, although both the literature and survey responses revealed that greater precision will affect evaluation of crash countermeasures in some instances, many of the errors cited in conventional crash location methods arise from human error rather than precision. The authors provide recommendations for defining crash location uniformly, limitations of the methodology employed in this effort, and the types of countermeasures that may or may not benefit from improved precision.

Author: Kay Fitzpatrick
Publisher: Transportation Research Board
ISBN: 9780309066242
Category : Transportation
Languages : en
Pages : 176

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Book Description

Author: Christian Geiser
Publisher: Guilford Press
ISBN: 1462502458
Category : Social Science
Languages : en
Pages : 320

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Book Description
A practical introduction to using Mplus for the analysis of multivariate data, this volume provides step-by-step guidance, complete with real data examples, numerous screen shots, and output excerpts. The author shows how to prepare a data set for import in Mplus using SPSS. He explains how to specify different types of models in Mplus syntax and address typical caveats--for example, assessing measurement invariance in longitudinal SEMs. Coverage includes path and factor analytic models as well as mediational, longitudinal, multilevel, and latent class models. Specific programming tips and solution strategies are presented in boxes in each chapter. The companion website (http://crmda.ku.edu/guilford/geiser) features data sets, annotated syntax files, and output for all of the examples. Of special utility to instructors and students, many of the examples can be run with the free demo version of Mplus.