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Crash Base Rates For Freeways Reduction Strategies For Rear End Crashes
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Book Synopsis Crash Base Rates for Freeways/reduction Strategies for Rear End Crashes by : Prahlad D. Pant
Download or read book Crash Base Rates for Freeways/reduction Strategies for Rear End Crashes written by Prahlad D. Pant and published by . This book was released on 2007 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: A safety analysis of a specific location includes a "base crash rate" analysis for identifying crash patterns at the study location. If the calculated crash rate for any crash type at a particular location is found to be higher than the "base crash rate", then that location is chosen for further study to determine if a safety problem actually exists at that location and, if so, what counter measure(s) can be used. The primary objective of this study was to develop a set of mathematical models to estimate base crash rates for freeways in Ohio. The models estimate the incremental changes in the dependent variables (crash rate for different types of crashes)resulting from changes in the independent variables including geometric features, operational controls, and environmental conditions. The base crash density/rate models were developed for the following crash types: (a)Injury crashes, (b) PDO crashes, (c) Total crashes, (d) Angle crashes, (e) Fixed crashes, (f) Rear end crashes, (g) Sideswipe crashes, (h) Wet road crashes, and (i) Night crashes. To evaluate the complex interaction among the dependent and independent variables, Automatic Interaction Detection (AID) technique was used. After the completion of AID analysis, stepwise multiple regression technique was used to develop mathematical models for the split groups. Finally, the models were validated with the one-third data that was set aside for validation. This study developed state-wide and district-wide base crash density and rate models for freeways. These models are recommended for use by ODOT for evaluating freeway crashes. The results of this study have a high potential of implementation in Ohio.
Author :American Association of State Highway and Transportation Officials. Task Force for Roadside Safety Publisher : ISBN 13 : Total Pages :560 pages Book Rating :4.0/5 ( download)
Book Synopsis Roadside Design Guide by : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Download or read book Roadside Design Guide written by American Association of State Highway and Transportation Officials. Task Force for Roadside Safety and published by . This book was released on 1989 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluating Evidence of Mechanisms in Medicine by : Veli-Pekka Parkkinen
Download or read book Evaluating Evidence of Mechanisms in Medicine written by Veli-Pekka Parkkinen and published by Springer. This book was released on 2018-07-13 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY license. This book is the first to develop explicit methods for evaluating evidence of mechanisms in the field of medicine. It explains why it can be important to make this evidence explicit, and describes how to take such evidence into account in the evidence appraisal process. In addition, it develops procedures for seeking evidence of mechanisms, for evaluating evidence of mechanisms, and for combining this evaluation with evidence of association in order to yield an overall assessment of effectiveness. Evidence-based medicine seeks to achieve improved health outcomes by making evidence explicit and by developing explicit methods for evaluating it. To date, evidence-based medicine has largely focused on evidence of association produced by clinical studies. As such, it has tended to overlook evidence of pathophysiological mechanisms and evidence of the mechanisms of action of interventions. The book offers a useful guide for all those whose work involves evaluating evidence in the health sciences, including those who need to determine the effectiveness of health interventions and those who need to ascertain the effects of environmental exposures.
Book Synopsis Annual Awards Competition by : United States. Federal Highway Administration
Download or read book Annual Awards Competition written by United States. Federal Highway Administration and published by . This book was released on 1977 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Safety Literature written by and published by . This book was released on 1980 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for Ramp and Interchange Spacing by : Brian Ray (Engineer)
Download or read book Guidelines for Ramp and Interchange Spacing written by Brian Ray (Engineer) and published by Transportation Research Board. This book was released on 2011 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 687: Guidelines for Ramp and Interchange Spacing explores guidelines for ramp and interchange spacing based on design, operations, safety, and signing considerations. The report is designed to help aid the decision-making process when an agency is considering new ramps or interchanges on existing facilities, modifying ramps and interchanges of existing facilities, or when planning and designing new highway and interchange facilities. The guidelines also offer standardized definitions measuring ramp and interchange spacing, which have varied in previous design guides. A final report documenting the full research effort related to the development of NCHRP Report 687 was published as NCHRP Web-Only Document 169--
Download or read book Public Roads written by and published by . This book was released on 1974 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Subject Bibliography from Highway Safety Literature by : United States. National Highway Traffic Safety Administration
Download or read book A Subject Bibliography from Highway Safety Literature written by United States. National Highway Traffic Safety Administration and published by . This book was released on 1977 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mountain View Corridor, Salt Lake and Utah Counties by :
Download or read book Mountain View Corridor, Salt Lake and Utah Counties written by and published by . This book was released on 2008 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Highway Safety Literature by : United States. National Highway Safety Bureau
Download or read book Highway Safety Literature written by United States. National Highway Safety Bureau and published by . This book was released on 1969 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of a 5-volume set, each covering a broad subject, which cumulates annually all citations that appeared during the year in: Highway safety literature.
Author :United States. Congress. Senate. Committee on Public Works. Subcommittee on Transportation Publisher : ISBN 13 : Total Pages :698 pages Book Rating :4.3/5 (91 download)
Book Synopsis Transportation and the New Energy Policies by : United States. Congress. Senate. Committee on Public Works. Subcommittee on Transportation
Download or read book Transportation and the New Energy Policies written by United States. Congress. Senate. Committee on Public Works. Subcommittee on Transportation and published by . This book was released on 1974 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Automotive Sampling System, Crashworthiness Data System by :
Download or read book National Automotive Sampling System, Crashworthiness Data System written by and published by . This book was released on 1995 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Exception Practices by : John Michael Mason
Download or read book Design Exception Practices written by John Michael Mason and published by Transportation Research Board. This book was released on 2003 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the range of design exception practices among state transportation agencies (STAs) and discusses the problems and suggested improvements based on the experience of state agency personnel. All STAs are required to comply with the same federal regulation pertaining to design exceptions. However, the number of design exceptions, the circumstances under which they are prepared, and the methods employed vary considerably, with many factors contributing to this wide range of practice. This synthesis characterizes (1) conditions that require a design exception, (2) data collection and analysis techniques, and (3) internal STA and external rules. The report also describes benefits and problems experienced by STAs and identifies suggestions for improving and streamlining the design exception process. In addition, the innovative practices of two states (New Jersey and Wisconsin) are identified and discussed.
Book Synopsis Transportation and the New Energy Policies, Hearing Before the Subcommittee on Transportation of the ... by : United States. Congress. Senate. Committee on Public Works
Download or read book Transportation and the New Energy Policies, Hearing Before the Subcommittee on Transportation of the ... written by United States. Congress. Senate. Committee on Public Works and published by . This book was released on 1974 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Audiovisual Catalog of the National Highway Traffic Safety Administration by : United States. National Highway Traffic Safety Administration
Download or read book Audiovisual Catalog of the National Highway Traffic Safety Administration written by United States. National Highway Traffic Safety Administration and published by . This book was released on 1974 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accident Mitigation Guide for Congested Rural Two-lane Highways by : Kay Fitzpatrick
Download or read book Accident Mitigation Guide for Congested Rural Two-lane Highways written by Kay Fitzpatrick and published by Transportation Research Board. This book was released on 2000 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alcohol and Highway Safety in 1984: a Review of the State of the Knowledge by :
Download or read book Alcohol and Highway Safety in 1984: a Review of the State of the Knowledge written by and published by . This book was released on 1985 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
