Search Results: 'measured mile'

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38 results for "measured mile"
Conducting A Measured Mile Analysis - Concepts, Principles, And Procedures By H. Randolph Thomas, Philip D. Barnard
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The objective of this text is to detail procedures for conducting a measured mile analysis that are consistent with the measured mile concept, which involves a comparison of the performances of... More > unimpacted work and impacted work. A thoughtful and comprehensive analysis is both acceptable and reliable to the courts. Failure to follow fundamental principles means the analysis is not a measured mile analysis. Following these procedures will improve the likelihood of recovering loss of efficiency damages. Conversely, the text provides a roadmap for defending against loss of efficiency claims. Also, some of the challenges in recovering loss of efficiency (LOE) damages are addressed. Ways to overcome these challenges are suggested.< Less
Math Mammoth Measuring 1 By Maria Miller
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Math Mammoth Measuring is a worktext that covers measuring length, weight, volume, and temperature as they are typically covered during grades 1-3. The book contains both textbook explanations and... More > exercises, and is designed to be very easy to teach from, requiring fairly little teacher preparation. This book is NOT organized by grade-levels nor with increasing difficulty. Instead, I have grouped together the lessons on measuring length, then measuring weight, then measuring volume, and lastly temperature. In each section, measuring in the customary system comes first, followed by lessons about the metric system. The first lessons in each unit typically have hands-on exercises where the student actually uses the suitable measuring equipment, and the last lessons in each section include abstract problems about conversions between the units.< Less
REVISION KCSE CHEMISTRY WITH ANSWERS FOR SMART STUDENTS By DOMINIC MAGUT
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In every education system where certain level of standards is required, there must be examinations. They are normally meant to measure the differences between student intellectual capabilities and to... More > determine whether a student has attained certain required level of competencies. Success in these examination may give the student access to higher education or certification to some jobs. REVISION KCSE CHEMISTRY WITH ANSWERS is a data bank of chemistry questions together with their marking schemes . They have been collected from various national examination bodies over a span of several years and are tailored to meet to inspire confidence to smart students who are looking forward to sit for these kind of exams . The author wish them well in their exams< Less
OTREC-RR-13-10 By Miguel Figliozzi, Katherine Bell
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Oregon is one of a few states using commercial truck weight-mile tax (WMT). The Oregon Dept. of Transportation (ODOT) developed a system for simpler WMT collection. The Truck Road Use Electronics... More > (TRUE) system includes a smart phone application to collect Global Positioning System (GPS) data. This surpasses other GPS data due to its level of geographic detail and potential to integrate trip origin and destination, vehicle class, and commodity data. This research evaluates the accuracy of TRUE data and demonstrates its use in freight modeling, performance measures, and planning applications. The use of data for highly accurate trip-generation rates and mobility performance measures is demonstrated. TRUE data has strong potential in measuring safety, accessibility and connectivity, system condition and environmental stewardship. The potential for use in emissions estimates including speed profiles and truck type is examined. Integration with weigh-in-motion data will vastly improve emission estimate accuracy.< Less
OTREC-RR-13-10 By Miguel Figliozzi, Katherine Bell
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Oregon is one of a few states using commercial truck weight-mile tax (WMT). The Oregon Dept. of Transportation (ODOT) developed a system for simpler WMT collection. The Truck Road Use Electronics... More > (TRUE) system includes a smart phone application to collect Global Positioning System (GPS) data. This surpasses other GPS data due to its level of geographic detail and potential to integrate trip origin and destination, vehicle class, and commodity data. This research evaluates the accuracy of TRUE data and demonstrates its use in freight modeling, performance measures, and planning applications. The use of data for highly accurate trip-generation rates and mobility performance measures is demonstrated. TRUE data has strong potential in measuring safety, accessibility and connectivity, system condition and environmental stewardship. The potential for use in emissions estimates including speed profiles and truck type is examined. Integration with weigh-in-motion data will vastly improve emission estimate accuracy.< Less
OTREC-RR-12-11 By Miguel Figliozzi
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This project developed a new methodology to estimate congestion impacts on freight movement, reliability, delays, costs, and emissions. Results suggest that traditional sensors underestimate the... More > impacts of congestion on travel-times and variability. It shows that congestion is not only more costly but also causes large increases in pollutants. This methodology allows planners to incorporate freight performance measures. In the Portland metropolitan region the focus was on developing multi-criteria tools for measuring and analyzing the impacts of freight corridor congestion. On segments along more than 300 miles of Interstate 5 (I-5) the focus was on using multiple data sources – commercial truck GPS, Oregon DOT corridor travel-time loops and incident data - to analyze the impacts of congestion. Freight corridor sections can have different reliability characteristics. A programming logic was developed to identify corridors and estimate localized impacts of travel-time unreliability.< Less
OTREC-RR-12-11 By Miguel Figliozzi
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This project developed a new methodology to estimate congestion impacts on freight movement, reliability, delays, costs, and emissions. Results suggest that traditional sensors underestimate the... More > impacts of congestion on travel-times and variability. It shows that congestion is not only more costly but also causes large increases in pollutants. This methodology allows planners to incorporate freight performance measures. In the Portland metropolitan region the focus was on developing multi-criteria tools for measuring and analyzing the impacts of freight corridor congestion. On segments along more than 300 miles of Interstate 5 (I-5) the focus was on using multiple data sources – commercial truck GPS, Oregon DOT corridor travel-time loops and incident data - to analyze the impacts of congestion. Freight corridor sections can have different reliability characteristics. A programming logic was developed to identify corridors and estimate localized impacts of travel-time unreliability.< Less
OTREC-RR-11-07 By Christopher Monsere, Mecit Cetin, Andrew Nichols
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This project evaluates the feasibility of re-identifying commercial trucks with data automatically collected at Oregon weigh-in-motion (WIM) stations. The methods consist of two main stages. The... More > first uses a Bayesian model to match each vehicle from the downstream station to the most “similar” upstream vehicle. In the second stage, methods are introduced to screen out vehicles crossing only downstream and to adjust accuracy vs. total number of vehicles matched by calculating the highest and second highest similarity measures for each vehicle. The proposed approach improves the accuracy of re-identification significantly. The models are applied to data from three WIM stations, creating two different “links” of 125 and 145 miles respectively. The algorithms match around 95% of trucks crossing both sites with about 90% accuracy. A threshold parameter allows adjustment of accuracy vs. total matched vehicles. When travel times vary widely between sites the mismatch rate increases.< Less
OTREC-RR-11-07 By Christopher Monsere, Mecit Cetin, Andrew Nichols
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This project evaluates the feasibility of re-identifying commercial trucks with data automatically collected at Oregon weigh-in-motion (WIM) stations. The methods consist of two main stages. The... More > first uses a Bayesian model to match each vehicle from the downstream station to the most “similar” upstream vehicle. In the second stage, methods are introduced to screen out vehicles crossing only downstream and to adjust accuracy vs. total number of vehicles matched by calculating the highest and second highest similarity measures for each vehicle. The proposed approach improves the accuracy of re-identification significantly. The models are applied to data from three WIM stations, creating two different “links” of 125 and 145 miles respectively. The algorithms match around 95% of trucks crossing both sites with about 90% accuracy. A threshold parameter allows adjustment of accuracy vs. total matched vehicles. When travel times vary widely between sites the mismatch rate increases.< Less
OTREC-RR-11-07 By Christopher Monsere, Mecit Cetin, Andrew Nichols
eBook (PDF): $0.00
Download immediately.
This project evaluates the feasibility of re-identifying commercial trucks with data automatically collected at Oregon weigh-in-motion (WIM) stations. The methods consist of two main stages. The... More > first uses a Bayesian model to match each vehicle from the downstream station to the most “similar” upstream vehicle. In the second stage, methods are introduced to screen out vehicles crossing only downstream and to adjust accuracy vs. total number of vehicles matched by calculating the highest and second highest similarity measures for each vehicle. The proposed approach improves the accuracy of re-identification significantly. The models are applied to data from three WIM stations, creating two different “links” of 125 and 145 miles respectively. The algorithms match around 95% of trucks crossing both sites with about 90% accuracy. A threshold parameter allows adjustment of accuracy vs. total matched vehicles. When travel times vary widely between sites the mismatch rate increases.< Less