Cost-Effectiveness Evaluation of Turning Lanes on Uncontrolled Approaches of Rural Intersections PDF Download
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Author: Patrick T. McCoy Publisher: ISBN: Category : Highway planning Languages : en Pages : 204
Book Description
A study of turning lanes on uncontrolled approaches of rural intersections. Construction and maintenance costs, safety, and guidelines used to warrant turning lane construction based on traffic volumes are included.
Author: Patrick T. McCoy Publisher: ISBN: Category : Highway planning Languages : en Pages : 204
Book Description
A study of turning lanes on uncontrolled approaches of rural intersections. Construction and maintenance costs, safety, and guidelines used to warrant turning lane construction based on traffic volumes are included.
Author: Wade H. Shafer Publisher: Springer Science & Business Media ISBN: 1468451979 Category : Science Languages : en Pages : 407
Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Douglas W. Harwood Publisher: ISBN: Category : Roads Languages : en Pages : 204
Book Description
This report presents the results of research that performed a well-designed before-after evaluation of the safety effects of providing left- and right-turn lanes for at-grade intersections. Geometric design, traffic control, traffic volume, and traffic accident data were gathered for a total of 280 improved intersections, as well as 300 similar intersections that were not improved during the study period. The types of improvement projects evaluated included installation of added left-turn lanes, added right-turn lanes, and extension of the length of existing left- or right-turn lanes. An observational before-after evaluation of these projects was performed using several alternative evaluation approaches. The three contrasting approaches to before-after evaluation used were the yoked comparison or matched-pair approach, the comparison group approach, and the Empirical Bayes approach. The research not only evaluated the safety effectiveness of left- and right-turn lane improvements, but also compared the performance of these three alternative approaches in making such evaluations. The research developed quantitative safety effectiveness measures for installation design improvements involving added left-turn lanes and added right-turn lanes. The research concluded that the Empirical Bayes method provided the most accurate and reliable results. Further use of this method is recommended.
Author: Lee August Rodegerdts Publisher: Transportation Research Board ISBN: 0309155118 Category : Technology & Engineering Languages : en Pages : 407
Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide - Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts. This report updates the U.S. Federal Highway Administration's Roundabouts: An Informational Guide, based on experience gained in the United States since that guide was published in 2000.
Author: Patrick T. McCoy
Author: Patrick T. McCoy
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Author: Kay Fitzpatrick
Author: Wade H. Shafer
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Author: Andrew Vogt
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Author: National Research Council (U.S.). Highway Research Board
Author: Douglas W. Harwood
Author: Lee August Rodegerdts