Evaluation Of Methodology For Determining Truck Vehicle Miles Traveled In Illinois

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Evaluation Of Methodology For Determining Truck Vehicle Miles Traveled In Illinois

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Author : R. F. Benekohal
language : en
Publisher:
Release Date : 2002

Evaluation Of Methodology For Determining Truck Vehicle Miles Traveled In Illinois written by R. F. Benekohal 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 estimation categories.

Nationwide surveys of departments of transportation, metropolitan planning organizations, and classification vendors/producers were conducted to determine the state of practice on equipment and methodologies used to determine truck vehicle miles traveled (VMT). The current Illinois Department of Transportation (IDOT) methodology was evaluated and it was found that it overestimated truck VMT for multi-unit trucks on all eight functional classes except on the minor urban arterials. The average overestimation was 11.5% and it varied from -10% to +44%. The current method overestimated truck VMT for single-unit trucks in five and underestimated in three functional classes. The under/over estimation ranged from -6% to +35%, but the average value was close to zero. To calculate truck VMT more accurately, this study proposed two different methods based on average truck percentage (ATP) and average section length (ASL). In the ATP method, truck VMT is calculated by multiplying the ATP for a group of roadway sections by the total VMT of that group. The ATP method should be used when the ATP and the total VMT by volume groups are available. In the ASL method, the total truck volume for the sampled sections is multiplied by the ASL. The ASL method should be used when the information required for ATP is not available or not reliable. Sample size influences the accuracy of truck VMT estimation and the decision on sample size must consider the error level that is acceptable. This study looked at the likely error for different sample sizes and recommended using 8% to 16% of the number of roadway sections. The sections should be distributed among the volume groups. Recently, IDOT collects vehicle classification data for three categories at about 10,000 sections, biennially. It is recommended to evaluate the truck VMT calculation using recent data.

Journal Of The Air Waste Management Association

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Author :
language : en
Publisher:
Release Date : 2007

Journal Of The Air Waste Management Association 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 Air categories.

Publications Of The State Of Illinois

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Author :
language : en
Publisher:
Release Date : 2002

Publications Of The State Of Illinois written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Government publications categories.

Illinois Documents List

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Author :
language : en
Publisher:
Release Date : 2001

Illinois Documents List written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with State government publications categories.

Transportation Research Record

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Author :
language : en
Publisher:
Release Date : 1994

Transportation Research Record written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Air travel categories.

Transportation Data Research

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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher:
Release Date : 2003

Transportation Data Research written by National Research Council (U.S.). Transportation Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Traffic flow categories.

Evaluation Of The Secretary Of Transportation S Rail Services Report Rail Service In The Midwest And Northeast Region

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Author : United States. Rail Services Planning Office
language : en
Publisher:
Release Date : 1974

Evaluation Of The Secretary Of Transportation S Rail Services Report Rail Service In The Midwest And Northeast Region written by United States. Rail Services Planning Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Railroads categories.

Analysis Of Truck Drivers Opinions On Safety And Traffic Control On Highway Work Zones Summary Of Findings

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Author : R. F. Benekohal
language : en
Publisher:
Release Date : 1995

Analysis Of Truck Drivers Opinions On Safety And Traffic Control On Highway Work Zones Summary Of Findings written by R. F. Benekohal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Roads categories.

This study was conducted to determine the truck drivers' travel characteristics, concerns about work zone traffic control devices, and assessment of work zone features, as well as to determine the location of accidents and bad driving situations based on the experiences and perceptions of truck drivers. A statewide survey of semi-truck drivers was conducted in 6 locations in Illinois. The questionnaire contained 43 questions about truck drivers and travel characteristics, drivers' assessment of work zone features and traffic control devices, their accident and bad driving situation experiences, and their suggestions for improving traffic flow and safety in the work zones. About 930 truck drivers participated in the survey, and the responses from 834 of them were found suitable for further data analysis. The frequency of the responses to each question were analyzed. Also correlation analyses were conducted to identify the relationships among the surveyed questions. Different statistical tests were used for data analysis. Volume II of the final report, contains a detailed report of the study, including all of the information that is included in Volume I, which contains the summary of findings, conclusions, and recommendations.

Comparison Of Interstate Vs Illinois Intrastate Cmv Safety Inspection Requirements

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Author : Piyushimita Thakuriah
language : en
Publisher:
Release Date : 2000

Comparison Of Interstate Vs Illinois Intrastate Cmv Safety Inspection Requirements written by Piyushimita Thakuriah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Commercial vehicles categories.

Draft Environmental Assessment

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Author :
language : en
Publisher:
Release Date : 1984

Draft Environmental Assessment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Radioactive waste disposal categories.