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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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      <title>The University of Tennessee's EcoCAR 2 Year Two Final Technical Report</title>
      <link>https://trid.trb.org/View/1829188</link>
      <description><![CDATA[The University of Tennessee, Knoxville's (UTK) EcoCAR 2 team developed a Series-Parallel Plug-In Hybrid Electric Vehicle (PHEV) that utilizes E85 fuel. The vehicle was developed and modeled in Year One of the EcoCAR 2 competition. The team has spent Year Two refining the theoretical design from Year One and implementing the design into a working mule vehicle. The developed architecture has been integrated into a 2013 Chevrolet Malibu, which was donated by General Motors. The team focused on strengthening the replacement and modified components, integrating the new vehicle components, bench testing the vehicle controller and implementing the entire design into a working vehicle.]]></description>
      <pubDate>Mon, 30 Oct 2023 11:42:09 GMT</pubDate>
      <guid>https://trid.trb.org/View/1829188</guid>
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    <item>
      <title>Continuing Education for the Railway Industry</title>
      <link>https://trid.trb.org/View/1737442</link>
      <description><![CDATA[Workforce development is a critical issue in the railway industry, particularly for small railroad companies and industrial (plant) railroads. Turnover in a rapidly aging workforce threatens to degrade relevant expertise in the railroad industry. New railroad hires often have little knowledge of proper practices, and the opportunity for learning by working alongside experienced workers is decreasing. Recognizing these issues, a small number of U.S. universities and community colleges offer rail related continuing education. The University of Tennessee, Knoxville (UTK) is one such institution. The UTK Center for Transportation Research (UTK-CTR) offers a series of instructor led continuing education courses on railway topics. Current courses address track inspection (three classes), bridge inspection (two classes), track design (one class), and track maintenance (one class). The intended class audience includes railroads (Class I, Class II, Class III, tourist, industrial), public transportation agencies (federal, state, local), regulators (federal, state), consultants, suppliers, educators, trade associations, and persons wanting to enter the railroad industry. This document includes course development, program structure, outcomes, and future steps.]]></description>
      <pubDate>Thu, 17 Sep 2020 17:51:12 GMT</pubDate>
      <guid>https://trid.trb.org/View/1737442</guid>
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    <item>
      <title>New and Unique Aspects of University Campus Transportation Data to Improve Planning Methods</title>
      <link>https://trid.trb.org/View/1494520</link>
      <description><![CDATA[University campuses have unique characteristics that influence travel demand. They benefit from controlled planning frameworks, can influence almost all aspects of pricing and on-campus transportation infrastructure, benefit from simplified many-to-one travel patterns, and maintain extensive data on nearly the entire campus community. Campuses represent millions of trips daily, yet little research has been conducted that focuses on developing tailored frameworks to assess transportation demand, target travel demand management strategies, or to assess environmental or other impacts. This paper describes how two sets of commonly collected data can be leveraged to provide new insights into travel behavior, incentives, and environmental policy. Specifically, we illustrate the fusion of standard travel demand survey data with disaggregate and precise household address data to provide new inferences into appropriate strategies to improve transportation sustainability. We applied three use-cases—carpool potential, walk and bike incentives, and mode shift to reduce greenhouse gas emissions—to the data from three universities, University of Tennessee, Cal Poly San Luis Obispo, and San Diego State University, respectively. We found that the richer dataset provided substantially better data resolution that allowed for transportation strategies to be more precisely targeted and expansion of the potential impact of transportation demand management strategies.]]></description>
      <pubDate>Fri, 16 Mar 2018 17:14:03 GMT</pubDate>
      <guid>https://trid.trb.org/View/1494520</guid>
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    <item>
      <title>The University of Tennessee's EcoCAR 2 Final Design Report</title>
      <link>https://trid.trb.org/View/1432624</link>
      <description><![CDATA[The University of Tennessee, Knoxville's (UTK) EcoCAR 2 team chose to develop a Plug-In Series-Parallel Hybrid Electric Vehicle that will utilize E-85 fuel. The architecture will be integrated into a 2013 Chevrolet Malibu, donated by General Motors. Throughout the first year of the competition, Tennessee implemented the EcoCAR 2 Vehicle Development Process. The team focused on the development of the supervisory controller through software simulations and Hardware-in-the-Loop (HIL) simulations. Simultaneously, packaging studies were performed via Computer Aided Design (CAD) for powertrain components, as well as the development of the energy storage system, and finite-element analysis (FEA) of modified vehicle components.       ]]></description>
      <pubDate>Thu, 05 Jan 2017 16:25:24 GMT</pubDate>
      <guid>https://trid.trb.org/View/1432624</guid>
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    <item>
      <title>Migrating Towards Using Electric Vehicle on Campus-Proposed Method for Fleet Optimization</title>
      <link>https://trid.trb.org/View/1392610</link>
      <description><![CDATA[Managing a fleet efficiently to addresses demand within cost constraints is a challenge. Mismatched fleet size and demand can create suboptimal budget allocations and inconvenience users. To address this problem, many studies have been conducted around heterogeneous fleet optimization. That research has not included an examination of different vehicle types with travel distance constraints. This study focuses on optimizing the University of Tennessee (UT) motor pool which has a heterogeneous fleet that includes electric vehicles (EVs) with a travel distance and recharge time constraint. After assessing UT motor pool trip patterns, a Queuing model was used to estimate the maximum number of each vehicle type needed to minimize the expected customer wait time to near zero. The break-even point is used for optimization model to constrain the minimum number of years that electric vehicles should be operated under the no subsidy assumption. The models are very flexible and can be applied to a wide variety of fleet optimization problems. It can help fleet managers make decisions about fleet size and EV adoption. In the case of UT’s motor pool, the results show that the fleet has surplus vehicles. In addition to reducing the number of vehicles, total fleet costs could be minimized by using electric vehicles for all trips less than 100 miles.]]></description>
      <pubDate>Mon, 04 Apr 2016 10:16:08 GMT</pubDate>
      <guid>https://trid.trb.org/View/1392610</guid>
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    <item>
      <title>Branded</title>
      <link>https://trid.trb.org/View/1262207</link>
      <description><![CDATA[This article presents a case study of the University of Tennessee at Knoxville's recently initiated campus construction project, which is expected to help the university become a top 25 public research university by supporting its high level academic and research programs. The author highlights a collaborative communications strategy, branded as the Conezone, that will play a critical role in the project by communicating progress to the campus community. He describes the strategic planning and goals for the project, and presents the results of the communication strategy's use and the construction thus far.]]></description>
      <pubDate>Fri, 20 Sep 2013 09:54:39 GMT</pubDate>
      <guid>https://trid.trb.org/View/1262207</guid>
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      <title>North America’s First E-Bikeshare: A Year of Experience</title>
      <link>https://trid.trb.org/View/1242972</link>
      <description><![CDATA[The integration of electric bicycles (e-bikes) with bikesharing could increase the utility of bikesharing through a reduction of some barriers to bicycling and an increase in the number of prospective users. North America’s first e-bikesharing system (cycleUshare) at the University of Tennessee, Knoxville, offers a new, sustainable transportation option for students, faculty, and staff. The cycleUshare system with two stations was launched as a small pilot project to study the technology and its users’ experiences. This paper presents an overview of the cycleUshare system and reports experiences from the first year of operation. With 93 enrolled users, cycleUshare provided a unique opportunity to study not only the system’s use but how individual users made trips with both regular bicycles and e-bikes and the factors that influenced those trips. The study reported here found that only 22% of users accounted for 81% of the trips. Factors of speed and convenience played major roles in participants’ decisions to use the system, and speed and comfort were the most influential factors in the selection of an e-bike rather than a regular bicycle. Most of the reported trips were class related, although e-bikes were used for a wide variety of trip purposes. Walking was the mode most displaced by the system; this result indicated that e-bikesharing expanded user mobility. User perceptions about bicycle types were explored also. This model of e-bikeshare was effective in its capability to attract users to both regular bicycles and e-bikes and to expand user mobility.]]></description>
      <pubDate>Thu, 28 Feb 2013 09:02:46 GMT</pubDate>
      <guid>https://trid.trb.org/View/1242972</guid>
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    <item>
      <title>Advanced Technologies for Transportation Research Program at the University of Tennessee at Chattanooga</title>
      <link>https://trid.trb.org/View/920343</link>
      <description><![CDATA[This report documents the results of the research program completed by the Advanced Technologies for Transportation Research Program (ATTRP) at the University of Tennessee at Chattanooga (UTC) under Federal Transit Administration Cooperative Agreement TN-26-7031-01. Research activities included providing technical assistance to a wide range of organizations; preparation of technical reports on advanced transit vehicle technologies and energy storage systems for three agencies; participation in leadership roles in the industry through service on the FTA Electric Drive Strategic Plan Steering Committee and acting as Editor-in-Chief for the World Electric Vehicle Journal Volume 2; support of the industry through the dissemination of research results at conferences, seminars and symposia; recommissioning and upgrading a unique and valuable resource in the Advanced Vehicle Test Facility (AVTF) located in Chattanooga, Tennessee; completion of a comprehensive campus transit plan for UTC; deployment of a Dynamic Message Sign (DMS) system in conjunction with the Chattanooga Area Regional Transportation Authority (CARTA); preparation of a DMS Dual Power Engineering Analysis; and development, testing and demonstration of a Data Acquisition System (DAS) for electric and hybrid-electric buses.]]></description>
      <pubDate>Mon, 28 Jun 2010 16:40:22 GMT</pubDate>
      <guid>https://trid.trb.org/View/920343</guid>
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    <item>
      <title>Evaluation of Tennessee HMA Mixtures Using Simple Performance Tests</title>
      <link>https://trid.trb.org/View/872852</link>
      <description><![CDATA[Hot mix asphalt (HMA) covers more than ninety percent of paved roads in the U.S. Most HMA pavement distresses (such as rutting and fatigue cracking) can be characterized through laboratory performance tests. The NCHRP project 9-19 has identified several tests as the simple performance tests (SPT) to characterize the performance of HMA mixtures. The paper presents a laboratory study carried out by the Tennessee Department of Transportation and the University of Tennessee. One type of HMA commonly used as surface mixture in the state of Tennessee, USA, was evaluated through the simple performance tests of dynamic modulus and flow number. The Asphalt Pavement Analyzer (APA) test was conducted as comparison to the three confining pressures. Three asphalt binders (PG 64-22, PG 70-22, and PG 76-22) were used for comparative purposes. The results from the present study indicated that the simple performance tests generally agreed with APA, i.e., mixtures produced with increased high temperature PG grade of asphalt cement exhibited higher dynamic modulus values, higher flow number values, lower rut depths, indicating potentially high resistance to rutting.]]></description>
      <pubDate>Wed, 29 Oct 2008 07:24:10 GMT</pubDate>
      <guid>https://trid.trb.org/View/872852</guid>
    </item>
    <item>
      <title>Hybrid Electric Vehicles: Evaluating Emission Reductions and Cost Benefits for University Motor Vehicle Fleet</title>
      <link>https://trid.trb.org/View/802299</link>
      <description><![CDATA[The University of Tennessee is considering replacing its entire 553 vehicle motor pool with hybrid electric vehicles.  As a result the university has contracted a study to investigate the potential emission reduction benefits, fuel savings, and cost effectiveness of the plan.  This paper summarizes the potential annual reductions in the emissions of particulate matter (PM), non-methane organic compounds (NMOG), nitrogen oxides (NOx), carbon monoxide (CO) and formaldehyde (HCHO).  The approach developed by the Civil and Environmental Engineering Department utilizes the emission factors and fuel economy results posted at the US Environmental Protection Agency (EPA) web sites, and vehicle costs from the National Automobile Dealers Association web site.  The cost benefits are calculated for a life cycle for the university?s vehicles.  Comparable hybrid electric vehicles were selected for each different vehicle in the university?s motor vehicle fleet, including mid-sized cars, SUVs, and pickup trucks.  The cost effectiveness was found to be very dependent on the vehicle type, how it is used, and the initial price of the comparable hybrid electric vehicle.  The paper shows the most cost effective combinations for reducing air pollution emissions.]]></description>
      <pubDate>Tue, 06 Mar 2007 14:38:13 GMT</pubDate>
      <guid>https://trid.trb.org/View/802299</guid>
    </item>
    <item>
      <title>BEHAVIOR OF CONCRETE INTEGRAL ABUTMENTS</title>
      <link>https://trid.trb.org/View/721755</link>
      <description><![CDATA[Recent interest by the Tennessee Department of Transportation (TDOT) into design and construction of integral abutment bridges with longer and longer lengths led to a research project to investigate the behavior of integral abutments. This project, sponsored by TDOT and completed at the end of 1999, involved field-testing of simulated abutments. This article briefly describes the research on integral abutments at the University of Tennessee and reports, in some detail, on the response of pile-abutment interfaces when the abutments were subjected to horizontal displacements.]]></description>
      <pubDate>Wed, 31 Jul 2002 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/721755</guid>
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    <item>
      <title>ASSESSING THE RELATIVE RUTTING SUSCEPTIBILITY OF HMA IN THE LABORATORY WITH THE ASPHALT PAVEMENT ANALYZER</title>
      <link>https://trid.trb.org/View/668954</link>
      <description><![CDATA[The Strategic Highway Research Program identified rutting as a major cause of distress for Hot Mix Asphalt (HMA) pavements. The resulting Superior Performing Asphalt Pavements (Superpave) mix design system specifically addressed the aggregate and asphalt binder properties that contribute to permanent deformation. The Superpave system, however, does not currently include a lab proof-test to quickly assess the rutting susceptibility of HMA. An Asphalt Pavement Analyzer (APA) has been developed and various lab studies have been conducted to assess the suitability of this device as a proof-test for HMA. A joint Tennessee Department of Transportation/University of Tennessee study was initiated to further evaluate the merits of the APA. In this study, over 30 mixes from various locations across the state of Tennessee were tested in the APA. Results of this study indicate that the APA is sensitive to critical material properties that have been documented to contribute to rutting of HMA on the roadway.]]></description>
      <pubDate>Mon, 23 Oct 2000 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/668954</guid>
    </item>
    <item>
      <title>REMOVING THE BARRIERS BETWEEN EDUCATION AND PRACTICE: TOOLS AND TECHNIQUES FOR LOGISTICS AND MANAGEMENT</title>
      <link>https://trid.trb.org/View/512548</link>
      <description><![CDATA[The faculty of the University of Tennessee's Department of Marketing, Logistics and Transportation were approached by graduate students who requested a course in the tools and techniques used by industry for logistics planning and management.  This paper examines the role of computers and software application in logistics education, identifies barriers that have limited student experience with current logistics planning and management tools, suggests factors to help remove those barriers, addresses the influence of changes in business and technology on logistics and discusses the development of a course offered at the University of Tennessee.]]></description>
      <pubDate>Fri, 03 Dec 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/512548</guid>
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    <item>
      <title>PROFILE OF AN ORGANIZATION: UNIVERSITY OF TENNESSEE TRANSPORTATION CENTER</title>
      <link>https://trid.trb.org/View/371525</link>
      <description><![CDATA[In 1952 the University of Tennessee entered into a cooperative agreement with the then Tennessee Highway Department to manage the department's highway research program.  The activity stemming from this agreement eventually led in 1970 to the establishment of the University of Tennessee Transportation Center (UTTC) on the Knoxville campus.  From its highway-based origins, UTTC has developed into a nationally known multimodal transportation research institution.  The past 10 years has been a time of exceptional growth for UTTC, which has more than 400 projects under way and $20 million in grant and contract funding.  This article reviews UTTC's past accomplishments, its organizational structure, its goals, current UTTC activities, and graduate student training and education.]]></description>
      <pubDate>Mon, 08 Mar 1993 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/371525</guid>
    </item>
    <item>
      <title>THE INTERNATIONAL SCHOOL OF THINKING</title>
      <link>https://trid.trb.org/View/338806</link>
      <description><![CDATA[WEEK-LONG INTERNATIONAL LOGISTICS PROGRAM FOR MANAGERS OFFERED BY THE UNIVERSITY OF TENNESSEE]]></description>
      <pubDate>Mon, 31 Dec 1990 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/338806</guid>
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