Use Of Permanent Traffic Recorder Data To Develop Factors For Traffic And Truck Variations
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Use Of Permanent Traffic Recorder Data To Develop Factors For Traffic And Truck Variations
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Author : L. James French
language : en
Publisher:
Release Date : 2002
Use Of Permanent Traffic Recorder Data To Develop Factors For Traffic And Truck Variations written by L. James French and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Traffic flow categories.
Reducing Uncertainty In The Estimation Of Heavy Truck Vehicle Miles Traveled Vmt
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Author : Stephen Lamptey
language : en
Publisher:
Release Date : 2004
Reducing Uncertainty In The Estimation Of Heavy Truck Vehicle Miles Traveled Vmt written by Stephen Lamptey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
A variety of transportation related applications such as safety, geometric and pavement design of roadways depend on reliable estimates of heavy truck VMT. Truck VMT estimation methodologies used by state DOTs fall under two broad groups; the non-traffic count based and the traffic count based methods. The latter is the most preferred among state DOTs as it utilizes actual data of vehicle movement on a road segment. Resource constraints, however, make it impactical for the monitoring of all road sections of interest continuously throughout the year. State DOTs therefore maintain a traffic count program comprising of permanent counts where data are collected all year round and short-term counts usually collected for periods up to 48 hours. The short-term counts do not represent an average annual daily count. Conversion of the short-term count data to annual average daily estimates are achieved by applying adjustment factors developed from the permanent count data to account for temporal variations. It has been observed that trucks do not exhibit the same temporal variation patterns as passenger vehicles, however, the current practice by a majority of state DOTs involve the use of adjustment factors derived from aggregate volume data not truck volume which fail to adequately explain the temporal variations in truck traffic resulting in biased annual average daily truck traffic (AADTT) estimates. This research utilizes Automatic Traffic Recorder (ATR) data for the rural primary roadways in Iowa to compare three AADTT estimation methods; truck adjustment factor, annual truck percentge and count specific truck percentage methods. An assessment of the acuracies of the 3 methods is made using the estimates of prediction error obtained from cross-validation. Pairwise comparison fo the methods is done by using the non-parametric bootstrap statistical analysis.
Aashto Guidelines For Traffic Data Programs
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Author : Anita Vandervalk-Ostrander
language : en
Publisher: American Association of State Highway & Transportation Officials
Release Date : 2009
Aashto Guidelines For Traffic Data Programs written by Anita Vandervalk-Ostrander and has been published by American Association of State Highway & Transportation Officials this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
Traffic Data Collection Analysis And Forecasting For Mechanistic Pavement Design
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Author : Cambridge Systematics
language : en
Publisher: Transportation Research Board
Release Date : 2005
Traffic Data Collection Analysis And Forecasting For Mechanistic Pavement Design written by Cambridge Systematics and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Pavements categories.
Western Greenbrier Co Production Demonstration Project
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Author :
language : en
Publisher:
Release Date : 2007
Western Greenbrier Co Production Demonstration Project written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Development Of A Statewide Traffic Counting Program Based On The Highway Performance Monitoring System
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Author : Mark E. Hallenbeck
language : en
Publisher:
Release Date : 1984
Development Of A Statewide Traffic Counting Program Based On The Highway Performance Monitoring System written by Mark E. Hallenbeck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Traffic estimation categories.
Proceedings Of The 9th International Conference On Maintenance And Rehabilitation Of Pavements Mairepav9
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Author : Christiane Raab
language : en
Publisher: Springer Nature
Release Date : 2020-06-19
Proceedings Of The 9th International Conference On Maintenance And Rehabilitation Of Pavements Mairepav9 written by Christiane Raab and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-19 with Technology & Engineering categories.
This book gathers the proceedings of an international conference held at Empa (Swiss Federal Laboratories for materials Science and Technology) in Dübendorf, Switzerland, in July 2020. The conference series was established by the International Society of Maintenance and Rehabilitation of Transport Infrastructure (iSMARTi) for promoting and discussing state-of-the-art design, maintenance, rehabilitation and management of pavements. The inaugural conference was held at Mackenzie Presbyterian University in Sao Paulo, Brazil, in 2000. The series has steadily grown over the past 20 years, with installments hosted in various countries all over the world. The respective contributions share the latest insights from research and practice in the maintenance and rehabilitation of pavements, and discuss advanced materials, technologies and solutions for achieving an even more sustainable and environmentally friendly infrastructure.
Development Of Statewide Truck Traffic Forecasting Method By Using Limited O D Survey Data
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Author : Man-Bae Park
language : en
Publisher:
Release Date : 1995
Development Of Statewide Truck Traffic Forecasting Method By Using Limited O D Survey Data written by Man-Bae Park and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Origin and destination traffic surveys categories.
Review Of Traffic Monitoring Factor Groupings And The Determination Of Seasonal Adjustment Factors For Cars And Trucks
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Author : William H. Schneider
language : en
Publisher:
Release Date : 2009
Review Of Traffic Monitoring Factor Groupings And The Determination Of Seasonal Adjustment Factors For Cars And Trucks written by William H. Schneider and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Traffic monitoring categories.
"One of the most common traffic volume parameters reported by statewide traffic monitoring programs is annual average daily traffic (AADT). Departments of Transportation (DOT) and other state agencies use a series of continuous vehicle detection devices in association with smaller more mobile short-term counts. Once the short-term counts are recorded a series of adjustment factors (time of day, day of week, month of year, or seasonal) are applied to the short-term counts. The end result is an estimated AADT for a particular segment of roadway. Traditionally, as defined in section two of the Traffic Monitoring Guide (TMG), there are three methodologies, geographic/functional assignment of roads to groups, cluster analysis and the same road application factor. In each case, there are advantages and disadvantages and currently there is not a final peer reviewed nationally suggested method. The benefits associated with this research include an improved method for estimating AADT throughout Ohio"--Technical report documentation page.
Highway Noise A Design Guide For Highway Engineers
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Author : Bolt, Beranek, and Newman
language : en
Publisher:
Release Date : 1971
Highway Noise A Design Guide For Highway Engineers written by Bolt, Beranek, and Newman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Roads categories.
Various methods of assessing noise, loudness, and noise annoyance are reviewed and explained; sources, types, and intensities of traffic noise are noted; typical means of abatement and attenuation are described; design criteria for various land uses ranging from low-density to industrial are suggested and compared with the results of previous BBN and British systems for predicting annoyance and complaint; and a design guide for predicting traffic noise, capable of being programmed for batch and on-line computer applications, is presented in form suitable for use as a working tool. A flow diagram describes the interrelationships of elements in the traffic noise prediction methodology, and each element is discussed in detail in the text. The text is presented of a tape recording that takes the listener through a series of traffic situations, with such variables as traffic distance, flow velocity, distance, outdoors and indoors, and presence or absence of absorbers and attenuators.