Feasibility of Using Friction Indicators to Improve Winter Maintenance Operations and Mobility PDF Download
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Author: Imad L. Al-Qadi
Publisher:
ISBN:
Category : Roads
Languages : en
Pages :
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Author: Imad L. Al-Qadi
Publisher:
ISBN:
Category : Roads
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 0
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Author: P. Bartelt
Publisher: CRC Press
ISBN: 9789058096340
Category : Science
Languages : en
Pages : 404
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Specialists in building and civil engineering, architecture, traffic and transport engineering, urban planning and avalanche science came together at the Fifth International Conference on Snow Engineering, organized by the Federal Swiss Institute for Snow and Avalanche Research in Davos 2004. This event belongs to a series of Snow Engineering Conferences held every four years since 1988. These conferences have become an important event for the international exchange of information on recent developments in snow engineering. The following thematic areas were discussed in the technical sessions and are here presented in this volume: - Transportation - Housing and Residential Planning - Snow Loads - Ski Mechanics - Hazard Mitigation - Snow Technology and Science - Avalanche Engineering
Author: National Cooperative Highway Research Program
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 240
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Author: T. H. Maze
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 142
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Under the NCHRP 06-17 project, the research team surveyed snow and ice control organizations in the United States, Canada, Europe, and Asia to determine the current trends in performance measurement. The team also inquired about the methods used in developing these programs in order to determine a practical, user friendly method to assist snow and ice control managers in developing a performance measurement system that uses traditional and nontraditional performance indicators and measurement issues. To achieve the project objectives, the researchers issued a survey to snow and ice control agencies throughout North America, Europe, and Asia to obtain data of the performance indicators and measures used, if any, by these agencies. The identified performance indicators and measures were then categorized, defined, and assessed for their usefulness. A process was then developed to assist snow and ice control operations managers in preparing a customer-focused, environmentally friendly performance measurement program.
Author:
Publisher:
ISBN:
Category : Autombile driving in winter
Languages : en
Pages : 78
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Weather can have a profound, negative impact on mobility and traveler safety. Nationally, adverse weather is a factor in 1.5 million car and truck crashes and costs society nearly $42 billion annually. Through intelligent transportation systems (ITS) and better road weather information, winter maintenance managers, traffic managers, and travelers now have the opportunity to manage traffic and travel to more effectively ameliorate weather's safety and productivity challenges. In the past few years, weather-related transportation issues have become a priority for the national research agenda. On June 14, 2004, the Iowa Department of Transportation hosted a regional, multi-disciplined forum. The purpose of the forum was to identify Midwest regional research and technology transfer priorities in weather-related transportation research and to discuss the possibility of establishing a regional research program to support the national road weather research agenda. The June 14 Weather Issues in Transportation focus group forum provided an opportunity for transportation agency professionals, professionals representing transportation users, commercial weather data and forecast providers, and members of the meteorology community to express their priorities for weather-related transportation research and technology transfer. Focus groups were organized into the following eight initiatives: (1) Weather Providers, (2) Weather Users, (3) Maintenance Equipment & Technologies, (4) Maintenance Management, (5) Maintenance Operations, (6) Traffic Operations & Safety, (7) Intermodal Traffic, and (8) Design & Construction. The focus groups identified and ranked 25 research problem statements that would require over $20 million for first-year funding if all projects were started in the same year.
Author: Lin Qiu
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 134
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The goal of this research project was to develop a method to measure the performance of a winter maintenance program with respect to the task of providing safety and mobility to the traveling public. Developing these measures required a number of steps, each of which was accomplished. First, the impact of winter weather on safety (crash rates) and mobility (average vehicle speeds) were measured by a combination of literature reviews and analysis of Iowa Department of Transportation traffic and Road Weather Information System data. Second, because not all winter storms are the same in their effects on safety and mobility, a method had to be developed to determine how much the various factors that describe a winter storm actually change safety and mobility. As part of this effort a storm severity index was developed, which ranks each winter storm on a scale between 0 (a very benign storm) and I (the worst imaginable storm). Additionally a number of methods of modeling the relationships between weather, winter maintenance actions and road surface conditions were developed and tested. The end result of this study was a performance measure based on average vehicle speed. For a given class of road, a maximum expected average speed reduction has been identified. For a given storm, this maximum expected average speed reduction is modified by the storm severity index to give a target average speed reduction. Thus, if for a given road the maximum expected average speed reduction is 20 mph, and the storm severity for a particular storm is 0.6, then the target average speed reduction for that road in that storm is 0.6 x 20 mph or 12 mph. If the average speed on that road during and after the storm is only 12 mph or less than the average speed on that road in good weather conditions, then the winter maintenance performance goal has been met.
Author:
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 296
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Author: Wilfrid A. Nixon
Publisher:
ISBN:
Category : Automobile driving in winter
Languages : en
Pages : 29
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