Now showing items 11-30 of 44

    • 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. (Ronald Bruce); 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.
    • 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 ...
    • 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 (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 ...
    • 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, 1969-
      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 ...
    • 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 ...
    • Geospatial analysis of high-crash intersections and rural roads using naturalistic driving data : final report 

      Cannon, Brad R.; Sudweeks, Jeremy D. (Virginia Tech. Virginia Tech Transportation Institute, 2011-09-26)
      Despite the fact that overall road safety continues to improve, intersections and rural roads persist as trouble areas or hotspots. Using a previously developed method, naturalistic driving data were identified through ...
    • Heavy-Vehicle Safety Outreach 

      National Surface Transportation Safety Center for Excellence (2014-04-09)
      The objective of the Heavy-Vehicle Safety Outreach project was to develop and implement a pragmatic curriculum to support the needs of safety managers. Safety managers for motor carrier fleets serve as the point of ...
    • Identification of Cognitive Load in Naturalistic Driving 

      Angell, Linda; Perez, Miguel A.; Soccolich, Susan A. (National Surface Transportation Safety Center for Excellence, 2015-07-28)
      Over the last decade, naturalistic driving studies have provided significant insight into issues pertaining to the roles of distraction, inattention, and drowsiness in crash risk. New techniques have been developed for ...
    • Identification of factors related to violation propensity : mining the data of the Franklin intersections 

      Doerzaph, Zachary R. (Zachary Richard); Bhagavathula, Rajaram (Virginia Tech. Virginia Tech Transportation Institute, 2011-02-04)
      This report describes an investigation of factors related to the prevalence of red-light violations at signalized intersections. A sample of 3,000 violators were compared to a matched set of compliant vehicle approaches ...
    • Identifying Distraction: Kinematic Detection of Off-Road Eye Glances 

      Rainey, Cameron; McLaughlin, Shane B. (National Surface Transportation Safety Center for Excellence, 2015-10-08)
      Visual attention is a key component of the driving task. Identifying times when the driver is not looking toward the forward views has been shown to be a successful indicator of distracted driving (Olson, Hanowski, Hickman, ...
    • Identifying high-risk commercial truck drivers using a naturalistic approach 

      Soccolich, Susan A.; Hickman, Jeffrey S.; Hanowski, Richard J. (Virginia Tech. Virginia Tech Transportation Institute, 2011-06-30)
      The current report investigated the 'high-risk' driver concept, and predictors associated with group membership, in a sample of 200 CMV drivers using naturalistic data from the Drowsy Driver Warning System Field Operational ...
    • In-vehicle device acquisition and usage in personal vehicles : commercial versus non-commercial driver's license holders 

      Wotring, Brian M.; Angell, Linda; Antin, Jonathan F. (Virginia Tech. Virginia Tech Transportation Institute, 2011-03-28)
      A survey was administered to 1,524 Virginia Tech faculty, staff, and students and Blacksburg Transit drivers in an effort to differentiate between commercial driver's license holders (72 of the respondents) and "regular" ...
    • Integrating the Adaptive Lighting Database with SHRP 2 Naturalistic Driving Data 

      Li, Yingfeng; Gibbons, Ronald B. (Ronald Bruce); Flintsch, Alejandra M. (National Surface Transportation Safety Center for Excellence, 2015-09-16)
      This report details efforts to integrate the Adaptive Lighting Database (ALD) with the Second Strategic Highway Research Program (SHRP 2) Naturalistic Driving Study (NDS) and the Roadway Information Database. The ALD ...
    • Luminance metrics for roadway lighting 

      Meyer, Jason E.; Gibbons, Ronald B. (Ronald Bruce) (Virginia Tech. Virginia Tech Transportation Institute, 2011-03-25)
      The focus of the current study is the comparison of multiple contrast metrics... The images of pedestrians from a previous nighttime research study were used for analysis. The pedestrians were clothed in both denim and ...
    • Market Guide to Fleet Telematics Services: Creating a Consumer's Guide to Currently Available Aftermarket Solutions 

      Trimble, Tammy E.; Bowman, Darrell Scott, 1969- (Virginia Tech. Virginia Tech Transportation Institute, 2012-12-21)
      This report documents an effort to review the currently available, aftermarket telematics solutions. The project involved: (a) a survey of the current telematics market; (b) a review of the available telematics systems; ...
    • Matching GPS Records to Digital Map Data: Algorithm Overview and Application 

      McLaughlin, Shane B.; Hankey, Jonathan M. (National Surface Transportation Safety Center for Excellence, 2015-03-03)
      Records of latitude and longitude pairs describing an approximate path of travel are logged by many types of Global Positioning System (GPS)-enabled devices. These logs of latitude/longitude (lat/lon) pairs specify geographic ...