Recent Submissions

  • Vehicle-width Measurement Technology Development: Phase I Technical Memorandum 

    Marinik, Andrew; Trimble, Tammy E.; Baker, Stephanie; Bryson, Jared; Schaudt, William A.; Bowman, Darrell (Virginia Center for Transportation Innovation and Research, 2011-08)
    The Virginia Tech Transportation Institute (VTTI) was tasked with investigating the feasibility of developing a vehicle-width measurement and alert system to reduce over-width violations in Virginia Department of ...
  • Draft Final Report: Development of Hazardous Materials (HM) Shipper Prioritization Program 

    Schaudt, William A.; Bowman, Darrell; Marinik, Andrew; Baker, Stephanie; Trimble, Tammy; Hanowski, Richard J. (Virginia Tech Transportation Institute, 2009-02-28)
    In the mid-1990s, an attempt was made to develop a performance-based prioritization for Hazardous Materials (HM) shippers. During this attempt it became apparent that there was insufficient performance data to develop such ...
  • Field Evaluation of Alternative Automated Systems for Reducing Illegal Passing of School Buses, DTNH22-00-07007, Task Order 1 

    Hanowski, Richard J.; Spaulding, Jeremy M.; Gaskins, Charla; Schaudt, William A.; Miller, Steven; Holbrook, Thomas; Olson, Rebecca L.; Dingus, Thomas A.; Hickman, Jeffrey; Huey, Richard; Llaneras, Eddy E. (Virginia Tech Transportation Institute, 2007-03-27)
    The overall objective of this research was to develop a prototype system that would automatically detect and record vehicles that illegally pass stopped school buses. There were four primary steps in meeting this objective: ...
  • Development of Hazardous Materials (HM) Shipper Prioritization Program: Technical Brief 

    Marinik, Andrew; Schaudt, William A.; Daily, Brian; Bowman, Darrell; Hanowski, Richard J. (Virginia Tech Transportation Institute, 2009-02)
    The Federal Motor Carrier Safety Administration (FMCSA) developed the Hazardous Materials Package Inspection Program (HMPIP) to focus on inspecting individual shipments at the roadside or on carriers’ docks. One output of ...
  • Enhanced Rear Signaling (ERS) for Heavy Trucks: Phase III – Development of Field Operational Test 

    Schaudt, William A.; Bowman, Darrell S.; Trimble, Tammy E.; Medina, Alejandra F.; Bocanegra, Joseph; Baker, Stephanie; Marinik, Andrew; Wierwille, Walter W.; Hanowski, Richard J. (Virginia Tech Transportation Institute, 2010-09)
    The Enhanced Rear Signaling (ERS) for Heavy Trucks project was directed at investigating methods to reduce or mitigate those crashes where a heavy truck has been struck in the rear by another vehicle. Prior to the current ...
  • Guidelines for the Operation, Assembly, Repair, Testing and Inspection of Hazardous Material Cargo Tanks 

    Bowman, Darrell Scott; Marinik, Andrew; Trimble, Tammy E.; Baker, Stephanie Ann; 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 ...
  • 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 ...
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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.; 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 ...
  • Linear Regression Crash Prediction Models : Issues and Proposed Solutions 

    Rakha, Hesham A.; Arafeh, Mohamadreza; Abdel-Salam, Abdel-Salam Gomaa; Guo, Feng; Flintsch, Alejandra Medina (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 ...
  • 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 ...
  • 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. ...
  • 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 ...

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