Using Travel Time Measures to Estimate Mobility and Reliability in Urban Areas

Using Travel Time Measures to Estimate Mobility and Reliability in Urban Areas
Author: Timothy J. Lomax
Publisher:
Total Pages: 82
Release: 2002
Genre: Land use
ISBN:

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There are several keys to developing and applying mobility measures that are technically useful and generally understandable. Travel time measures are relatively easy to comprehend, but they have not always been used because of data concerns, mandated reporting practices and other issues. Travel time and speed measures can serve many different uses, communicate to many different audiences and enhance the ability of project analysis techniques to determine the most appropriate set of policies, programs and projects for a situation. The overriding conclusion from any investigation of mobility and reliability measures is that there is a range of uses and audiences. No single measure will satisfy all the needs, and no single measure can identify all aspects of mobility or reliability - there is no "silver bullet" measure. The problems are complex and in many cases require more than one measure, more than a single data source and more than one analysis procedure. Mobility and reliability performance measures, when combined in a process to uncover the goals and objectives the public has for transportation systems, can provide a framework to analyze how well the land use and transportation systems serve the needs of travelers and businesses

Improving Fish Stock Assessments

Improving Fish Stock Assessments
Author: National Research Council
Publisher: National Academies Press
Total Pages: 194
Release: 1998-03-27
Genre: Technology & Engineering
ISBN: 0309057256

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Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries dataâ€"for example underreporting or changes in the likelihood that fish can be caught with a given type of gearâ€"can seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.

Urban Mobility Report (2004)

Urban Mobility Report (2004)
Author: David Schrank
Publisher: DIANE Publishing
Total Pages: 24
Release: 2008-10
Genre: Transportation
ISBN: 1437905609

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Congestion continues to grow in America¿s urban areas. This report presents details on the 2004 trends, findings and what can be done to address the growing transportation problems. Trend data from 1982 to 2002 for 85 urban areas provides both a local view and a national perspective on the growth and extent of traffic congestion. The 2004 Report provides clear evidence that the time for improvements has arrived. Communicating the congestion levels and the need for improvements is a goal of this report. The decisions about which, and how much, improvement to fund will be made at the local level according to a variety of goals, but there are some broad conclusions that can be drawn from this database. Tables.

Department of Transportation and Related Agencies Appropriations for 1996

Department of Transportation and Related Agencies Appropriations for 1996
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Publisher:
Total Pages: 1252
Release: 1995
Genre: Government publications
ISBN:

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Business Process Management Workshops

Business Process Management Workshops
Author: Niels Lohmann
Publisher: Springer
Total Pages: 585
Release: 2014-05-09
Genre: Computers
ISBN: 3319062573

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This book constitutes the refereed proceedings of nine international workshops held in Beijing, China, in conjunction with the 11th International Conference on Business Process Management, BPM 2013, in August 2013. The nine workshops comprised Business Process Intelligence (BPI 2013), Business Process Management and Social Software (BPMS2 2013), Data- and Artifact-Centric BPM (DAB 2013), Decision Mining and Modeling for Business Processes (DeMiMoP 2013), Emerging Topics in Business Process Management (ETBPM 2013), Process-Aware Logistics Systems (PALS 2013), Process Model Collections: Management and Reuse (PMC-MR 2013), Security in Business Processes (SBP 2013) and Theory and Applications of Process Visualization (TAProViz 2013). The 38 revised full papers presented were carefully reviewed and selected from 74 submissions.

Highway Travel Time Estimation With Data Fusion

Highway Travel Time Estimation With Data Fusion
Author: Francesc Soriguera Martí
Publisher: Springer
Total Pages: 226
Release: 2015-11-30
Genre: Technology & Engineering
ISBN: 3662488582

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This monograph presents a simple, innovative approach for the measurement and short-term prediction of highway travel times based on the fusion of inductive loop detector and toll ticket data. The methodology is generic and not technologically captive, allowing it to be easily generalized for other equivalent types of data. The book shows how Bayesian analysis can be used to obtain fused estimates that are more reliable than the original inputs, overcoming some of the drawbacks of travel-time estimations based on unique data sources. The developed methodology adds value and obtains the maximum (in terms of travel time estimation) from the available data, without recurrent and costly requirements for additional data. The application of the algorithms to empirical testing in the AP-7 toll highway in Barcelona proves that it is possible to develop an accurate real-time, travel-time information system on closed-toll highways with the existing surveillance equipment, suggesting that highway operators might provide their customers with such an added value with little additional investment in technology.

Empirical Studies of Environmental Policies in Europe

Empirical Studies of Environmental Policies in Europe
Author: John W. Maxwell
Publisher: Springer Science & Business Media
Total Pages: 240
Release: 2000-06-30
Genre: Business & Economics
ISBN: 9780792377528

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The visible encroachment of industrial development on the environment, and its unintended consequences, has increased public demand for better environmental management and policy. As policy makers struggle to meet these demands, empirical analysis of the effects of environmental policies is crucial for guiding the development, the implementation, and the evaluation of alternative government interventions and regulatory approaches. Such analysis is scarce, however. The need for empirical studies is particularly large in Europe, where environmental policy debates are still mainly theoretical and tend to reflect different ideological positions more than informed assessments of alternative policies. Empirical Studies of Environmental Policies in Europe presents contributions on empirical environmental policy evaluation. The individual chapters, written by authors from Europe and the US, contain quantitative studies of proposed and implemented environmental policies, at both the micro and macroeconomic levels. The policy issues studied in this volume include the 'double dividend-hypothesis' of carbon taxation, the political economy of en