Now showing items 27-46 of 97

    • Development and evaluation of a naturalistic observer rating of drowsiness protocol : final report 

      Wiegand, Douglas M.; McClafferty, Julie; McDonald, Shelby E.; Hanowski, Richard J. (Virginia Tech. Virginia Tech Transportation Institute, 2009-02-25)
      VTTI researchers have developed a method for rating driver drowsiness based on the evaluation of naturalistic video footage of the driver's face and upper torso. This measure, referred to as the Observer Rating of Drowsiness ...
    • Development and validation of a luminance camera: final report 

      Meyer, Jason E.; Gibbons, Ronald B.; Edwards, Christopher J. (Virginia Tech. Virginia Tech Transportation Institute, 2009-02-11)
      Under the sponsorship of the National Surface Transportation Safety Center for Excellence (NSTSCE), an effort was undertaken to develop a system of image capture to analyze luminance data gathered in naturalistic driving research.
    • Development of a Mobile Measurement System for Roadway Lighting 

      Gibbons, Ronald B.; Meyer, Jason E.; Edwards, Christopher J. (National Surface Transportation Safety Center for Excellence, 2018-01-04)
      In recent years, the complexity of the evaluation metrics of roadway lighting has continually increased. In order to measure the effectiveness of a roadway lighting system in situ, a mobile measurement system has been ...
    • Development of a Protocol to Classify Drivers’ Emotional Conversation 

      Fitch, Gregory M.; Russell, Sheldon M.; McClafferty, Julie A. (2017-05-05)
      To facilitate future analyses of emotion in naturalistic driving study (NDS) data, a protocol was developed to rate the emotional content of video samples collected during NDS. The protocol required data reductionists to ...
    • Development of Curriculum for the Virginia Driver's Licensing Ceremony 

      Duke, Rebekah; Klauer, Charlie; Baker, Stephanie Ann (National Surface Transportation Safety Center for Excellence, 2017-12-06)
      In Virginia, to receive the actual driver’s license (as opposed to the temporary driving permit), both a parent and the teenage driver must appear before a family district court judge and participate in the Virginia Driver’s ...
    • Distraction Index Framework: Final Report 

      Perez, Miguel A.; Hankey, Jonathan M. (Virginia Tech. Virginia Tech Transportation Institute, 2013-03-01)
      The usage of a radio while driving has long been considered socially acceptable. There is recent concern, however, about radio usage, in its ever-changing context, remaining a relatively low-risk activity to perform while ...
    • Driver Coach Study: Using Real-time and Post Hoc Feedback to Improve Teen Driving Habits 

      Klauer, Charlie; Ankem, Gayatri; Guo, Feng; Baynes, Peter; Fang, Youjia; Atkins, Whitney; Baker, Stephanie Ann; Duke, Rebekah; Hankey, Jonathan M.; Dingus, Thomas A. (National Surface Transportation Safety Center for Excellence, 2017-12-08)
      Novice teenage drivers have the highest rates of fatalities and injuries on U.S. roadways compared to any other age group. This experimental research was conducted to see if presenting novice teenage drivers and their ...
    • Driver Visual Behavior While Using Adaptive Cruise Control on Commercial Motor Vehicles 

      Grove, Kevin; Soccolich, Susan A.; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2019-03-25)
      This study compared whether commercial motor vehicle drivers spent less time looking at the roadway while cruise control was engaged. The trucks in the study were equipped with commercially available systems that provide ...
    • Effective Strategies to Improve Safety: Case Studies of Commercial Motor Carrier Safety Advancement 

      Camden, Matthew C.; Hickman, Jeffrey Scott; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2019-04-30)
      Although previous research has documented safety improvement strategies, many carriers may not have real-world data and/or information on the strategies that other carriers have successfully used to improve safety. This ...
    • Effective Use of Commercially Available Onboard Safety Monitoring Technologies: Guidance for Commercial Motor Vehicle Carriers 

      Camden, Matthew C.; Hickman, Jeffrey S.; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2015-03-03)
      Studies show that most commercial motor vehicle (CMV) crashes involve risky driving behaviors or errors on the part of the driver and thus are preventable. One method to reduce risky driving behaviors is through the use ...
    • Enhanced Camera 

      White, Elizabeth; Chilcott, Dan; Doerzaph, Zachary R. (National Surface Transportation Safety Center for Excellence, 2016-08-09)
      This report describes testing equipment and procedures developed by the Center for Technology Development at the Virginia Tech Transportation Institute (VTTI) to evaluate critical attributes for cameras used in naturalistic ...
    • Evaluating the Influence of Crashes on Driving Behavior using Naturalistic Driving Study Data 

      Guo, Feng; Chen, Chen (National Surface Transportation Safety Center for Excellence, 2015-07-16)
      It is hypothesized that intense events such as crashes could influence driver behavior and driving risk. This study evaluated the influences of crash events on driver behavior and driving risk using data from the 100-Car ...
    • Evaluating the Sleeper Berth Provision: Investigating Usage Characteristics and Safety-Critical Event Involvement 

      Soccolich, Susan A.; Blanco, Myra; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence (NSTSCE), 2015-07-20)
      Hours-of-service (HOS) regulations control the maximum daily drive time, workday hours, and work week (period) hours for commercial motor vehicle (CMV) drivers. The regulations also include periods of off-duty time that ...
    • Evaluation of an In-vehicle Monitoring System Among an Oil and Gas Well Servicing Fleet 

      Krum, Andrew; Miller, Andrew; Soccolich, Susan (National Surface Transportation Safety Center for Excellence, 2020-05-01)
      A pilot study of an in-vehicle monitoring system (IVMS) was conducted among a fleet of oil and gas well servicing vehicles. Data collected from the fleet were handled anonymously across 21 IVMS-instrumented light vehicle ...
    • Evaluation of Light-Vehicle Driver Education Programs Targeting Sharing the Road with Heavy Vehicles: A Case Study Analysis 

      Baker, Stephanie Ann; Schaudt, William A.; Joslin, Spencer; Tidwell, Scott; Bowman, Darrell Scott
      The purpose of this case study project sponsored by the National Surface Transportation Safety Center for Excellence (NSTSCE) was twofold. First, researchers investigated current light-vehicle driver education programs ...
    • Evaluation of Older Driver Fitness-to-Drive Metrics and Driving Risk Using Naturalistic Driving Study Data 

      Guo, Feng; Fang, Youjia; Antin, Jonathan F. (National Surface Transportation Safety Center for Excellence, 2015-07-28)
      In this study, we evaluated the relationship between older drivers’ fitness assessment profiles and their driving risk, represented primarily by crash and near-crash (CNC) rate, and secondarily by high g-force (HGF) event ...
    • Examining the Relationship Between CMV Driver Retention and Safety 

      Camden, Matthew C.; Soccolich, Susan A.; Hickman, Jeffrey S.; Walker, Martin; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2020-08-13)
      Many segments in the trucking industry experience extremely high rates of driver turnover. Although some research has shown a link between high driver turnover and increased crash risk, it is not known if voluntary turnover ...
    • An Exploration of Driver Behavior During Turns at Intersections (for Drivers in Different Age Groups) 

      Angell, Linda; Aitch, Sudipto; Antin, Jonathan F.; Wotring, Brian (2015-06-23)
      A two-phase study of driver behavior at intersections was conducted using a naturalistic paradigm. In Phase 1, the behavior of teen, middle-aged, and older drivers was compared for left turns at three types of left turns ...
    • Fact Sheets 

      Tidwell, Scott; Fitchett, Vikki L.; Blanco, Myra (National Surface Transportation Safety Center for Excellence, 2017-12-06)
      To extend its public outreach, the National Surface Transportation Safety Center for Excellence has created concise fact sheets describing research findings important to surface transportation safety. To date, fact sheets ...
    • Fatigue analyses: from 16 months of naturalistic commercial motor vehicle driving data 

      Wiegand, Douglas M.; Hanowski, Richard J.; Olson, Rebecca L. (Rebecca Lynn); Melvin, Whitney (Virginia Tech. Virginia Tech Transportation Institute, 2008-05-31)
      Under the sponsorship of the National Surface Transportation Safety Center for Excellence, an existing naturalistic data set from the Drowsy Driver Warning System Field Operational Test (DDWS FOT) was expanded and analyzed ...