Recent Submissions

  • Guidelines for the Operation, Assembly, Repair, Testing and Inspection of Hazardous Material Cargo Tanks 

    Bowman, Darrell Scott; Marinik, Andrew; Trimble, Tammy E.; Baker, Stephanie; Selz, Allen (Virginia Tech Transportation Institute, 2009-06-30)
    This document consists of guidelines and recommendations related to operations, assembly, repair, testing and inspection of cargo tanks hauling hazardous materials. This document is the result of research findings from the ...
  • The Impact of Driving, Non-driving Work, and Rest Breaks on Driving Performance in Commercial Vehicle Operations 

    Blanco, Myra; Hanowski, Richard J.; Olson, Rebecca L. (Rebecca Lynn); Morgan, Justin F.; Soccolich, Susan A.; Wu, Shih-Ching (United States. Federal Motor Carrier Safety Administration, 2011-05)
    Current hours-of-service (HOS) regulations prescribe limits to commercial motor vehicle (CMV) drivers' operating hours. Besides assessing activities performed in the 14-hour workday, the relationship between safety-critical ...
  • Light Vehicle-Heavy Vehicle Interactions: A Preliminary Assessment Using Critical Incident Analysis 

    Hanowski, Richard J.; Keisler, Aysha S.; Wierwille, Walter W. (United States. Federal Motor Carrier Safety Administration, 2004-05)
    Two recently completed on-road, in situ data collection efforts provided a large data set in which to conduct an examination of near-crashes and crashes (critical incidents) that occurred between light vehicles (LV) and ...
  • Enhanced Night Visibility Series, Volume XIII Phase III - Study 1: Evaluation of Discomfort Glare During Nighttime Driving in Clear Weather 

    McLaughlin, Shane B.; Hankey, Jonathan M.; Dingus, Thomas A. (United States. Federal Highway Administration, 2005)
    Phase III-- Study 1 was performed to further explore findings on far infrared (FIR) systems from Phase II, to investigate near infrared (NIR) and high intensity discharge (HID) technologies, and to investigate detection ...
  • Enhanced Night Visibility Series, Volume XII: Overview of Phase II and Development of Phase III Experimental Plan 

    Hankey, Jonathan M.; Blanco, Myra; Neurauter, M. L.; Gibbons, Ronald B. (Ronald Bruce); Porter, Richard J.; Dingus, Thomas A. (United States. Federal Highway Administration, 2005-12)
    This volume provides an overview of the six studies that compose Phase II of the Enhanced Night Visibility project and the experimental plan for its third and final portion, Phase III. The Phase II studies evaluated up to ...
  • Empirical Studies on Traffic Flow in Inclement Weather 

    Hranac, R.; Sterzin, E.; Krechmer, Daniel; Rakha, Hesham A.; Farzaneh, M.; Arafeh, Mohamadreza (United States. Federal Highway Administration, 2006-10)
    Weather causes a variety of impacts on the transportation system. While severe winter storms, hurricanes, or flooding can result in major stoppages or evacuations of transportation systems and cost millions of dollars, ...
  • Field and Modeling Framework and Case Study of Truck Weigh Station Operations: Final report 

    Katz, Abryan J.; Rakha, Hesham A. (Virginia Tech. Virginia Tech Transportation Institute, 2002-01)
    Weigh-in-Motion (WIM) systems improve the capacity of weigh station operations significantly by screening trucks while traveling at high speeds and only requiring trucks within a threshold of a maximum permissible gross ...
  • Methodology to Evaluate Teen Driver Training Programs : [brief] 

    Trimble, Tammy E. (Wisconsin. Department of Transportation, 2014-03)
    In the United States, teenage drivers are more at risk of being involved in crashes than any other age group. Statistics reveal a clear need for improving teenagers' driving skills, judgment and behavior. Driver education ...
  • Naturalistic Driving Data for the Analysis of Car-following Models 

    Rakha, Hesham A.; Sangster, J.; Du, Jianhe (United States. Department of Transportation, 2013-02-21)
    This report presents two research efforts that have been published as conference papers through the Transportation Research Board Annual Meeting, the first of which is under review for journal publication. The first research ...
  • Agent-Based Game Theory Modeling for Driverless Vehicles at Intersections 

    Rakha, Hesham A.; Zohdy, Ismail; Kamalanathsharma, Raj K. (United States. Department of Transportation, 2013-02-19)
    This report presents three research efforts that were published in various journals. The first research effort presents a reactive-driving agent based algorithm for modeling driver left turn gap acceptance behavior at ...
  • Establishing a Methodology to Evaluate Teen Driver-training Programs 

    Trimble, Tammy E.; Baker, Stephanie Ann; Schaudt, William A.; Schrader, T. (Wisconsin. Department of Transportation. Library and Research Unit, 2013-11)
    The goal of this research project was to develop a methodology to assist the Wisconsin Department of Transportation (WisDOT) in the evaluation of effectiveness of teen driver education programs over the short and long ...
  • Predictive Eco-Cruise Control (ECC) System: Model Development, Modeling and Potential Benefits 

    Rakha, Hesham A.; Ahn, Kyoungho; Park, Sangjun (United States. Department of Transportation. Research and Innovative Technology Administration, 2013-02-19)
    The research develops a reference model of a predictive eco-cruise control (ECC) system that intelligently modulates vehicle speed within a pre-set speed range to minimize vehicle fuel consumption levels using roadway ...
  • Microscopic Analysis of Traffic Flow in Inclement Weather 

    Rakha, Hesham A.; Krechmer, Daniel; Cordahi, G.; Zohdy, Ismail; Sadek, S.; Arafeh, Mohamadreza (United States. Federal Highway Administration, 2009-11)
    Weather causes a variety of impacts on the transportation system. An Oak Ridge National Laboratory study estimated the delay experienced by American drivers due to snow, ice, and fog in 1999 at 46 million hours. While ...
  • Calibration of Steady-state Car-following Models using Macroscopic Loop Detector Data 

    Rakha, Hesham A.; Gao, Y. (Virginia Tech. Virginia Tech Transportation Institute, 2010-05)
    The paper develops procedures for calibrating the steady-state component of various car following models using macroscopic loop detector data. The calibration procedures are developed for a number of commercially available ...
  • Linear Regression Crash Prediction Models : Issues and Proposed Solutions 

    Rakha, Hesham A.; Arafeh, Mohamadreza; Abdel-Salam, Abdel-Salam Gomaa; Guo, Feng; Flintsch, Alejandra M. (Virginia Tech. Virginia Tech Transportation Institute, 2010-05)
    The paper develops a linear regression model approach that can be applied to crash data to predict vehicle crashes. The proposed approach involves novice data aggregation to satisfy linear regression assumptions namely ...
  • Evaluation of Alternative Truck Lane Management Strategies Along a Section of I-81 

    Rakha, Hesham A. (Virginia Tech. Virginia Tech Transportation Institute, 2010-05)
    I-81 is one of the top eight truck routes in the U.S. In the state of Virginia, I-81 traverses 325.51 miles from Tennessee in the south to the West Virginia border in the north and passes through 12 counties. The highway ...
  • Evaluation and Development of a University Visitor Parking Management Framework 

    Gurram, Sashikanth; Rakha, Hesham A. (Virginia Tech. Virginia Tech Transportation Institute, 2010-05)
    Visitors constitute an important component of a university business. Given that visitors are typically unfamiliar with university campus layouts, special assistance may be needed to assist them with their parking needs. ...
  • Feasibility of Using In-Vehicle Video Data to Explore How to Modify Driver Behavior That Causes Nonrecurring Congestion: SHRP 2 

    Rakha, Hesham A.; Du, Jianhe; Park, Sangjun; Guo, Feng; Doerzaph, Zachary R. (Zachary Richard); Viita, Derek; Golembiewski, Gary A.; Katz, Bryan; Kehoe, Nicholas; Rigdon, H. (National Research Council (U.S.). Transportation Research Board, 2011)
    Nonrecurring congestion is traffic congestion due to nonrecurring causes, such as crashes, disabled vehicles, work zones, adverse weather events, and planned special events. According to data from the Federal Highway ...
  • Task 1 Report for the National Highway Traffic Safety Administration: Identification and trade study analysis of alternative rear signaling systems 

    Lee, Suzanne E.; Wierwille, Walter W.; Klauer, Sheila G. (United States. Federal Highway Administration, 2002-03)
    Rear-end crashes are the most frequently occurring type of collision, accounting for approximately 29% of all crashes and resulting in a substantial number of injuries and fatalities each year. Rear-end collisions in which ...
  • Microscopic Analysis of Traffic Flow in Inclement Weather 

    Rakha, Hesham A.; Zohdy, Ismail; Park, Sangjun; Krechmer, Daniel (United States. Federal Highway Administration, 2010-12)
    This report documents the second part of the FHWA research study involving analysis of the microscopic impacts of adverse weather on traffic flow, but is a third phase of the research effort on the impacts of weather on ...

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