Now showing items 44-63 of 96

    • 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 ...
    • Fatigue and Distraction in Occupational Light Vehicle Drivers 

      Soccolich, Susan A.; Hickman, Jeffrey Scott; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2017-10-25)
      Occupational drivers are a unique subset of the driving population, as driving per se is not their primary job duty, but can nonetheless encompass a large portion of their working day. These occupational drivers make sales ...
    • 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.; 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 ...
    • Impact of Ridesharing on Vehicle Miles Traveled 

      Du, Jianhe; Rakha, Hesham (National Surface Transportation Safety Center for Excellence, 2020-05-05)
      Due to the rapid development of the ridesharing industry, there is very limited data available for researchers and practitioners to draw a comprehensive conclusion regarding resultant changes in vehicle miles traveled ...
    • Improving Driving Safety for Teenagers with Attention Deficit and Hyperactivity Disorder (ADHD) 

      Klauer, Charlie; Ollendick, Thomas H.; Ankem, Gayatri; Dingus, Thomas A. (National Surface Transportation Safety Center for Excellence, 2017-09-19)
      The majority of the research assessing the differences in driving performance between medicated and non-medicated Attention Deficit Hyperactivity Disorder (ADHD) teenagers has relied on driving simulators and surveys. This ...
    • Improving Mobility for Rural Older Adults: A Program Review 

      Wotring, Brian; Antin, Jon (National Surface Transportation Safety Center for Excellence, 2020-08-07)
      The population of older adults is increasing and is expected to represent a larger proportion of the population over the next several decades. Those who live in rural areas face many transportation challenges, including a ...
    • 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.; Flintsch, Alejandra Medina (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 ...
    • Investigating Drivers’ Compensatory Behavior when Using a Mobile Device 

      Fitch, Gregory M.; Toole, Laura; Grove, Kevin; Soccolich, Susan A.; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2017-01-12)
      The purpose of this study was to investigate driver performance and risk associated with mobile device use (MDU) from previously collected naturalistic driving data. There were two primary objectives: (1) to investigate ...
    • Investigating Lane Change Behaviors and Difficulties for Senior Drivers Using the SHRP 2 Naturalistic Database 

      Antin, Jonathan F.; Wotring, Brian; Perez, Miguel A.; Glaser, Daniel (National Surface Transportation Safety Center for Excellence, 2017-10-19)
      Older drivers are more likely to be involved in a lane change crash compared with middle-aged drivers. While a number of different blind spot warning systems and intervention systems exist, a more thorough understanding ...
    • Large Truck Technology Return-on-Investment Calculator: User Guide and Instruction Manual 

      Camden, Matthew C.; Medina-Flintsch, Alejandra; Hickman, Jeffrey S.; Hanowski, Richard J. (National Surface Transportation Safety Center for Excellence, 2020-04-21)
      In 2015, large trucks were involved in 415,000 crashes in the United States that resulted in approximately 116,000 injuries and 4,067 fatalities. One way to reduce these crashes and their resulting injuries and fatalities ...
    • Luminance metrics for roadway lighting 

      Meyer, Jason E.; Gibbons, Ronald B. (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 (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 ...