Now showing items 60-79 of 100

    • 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 ...
    • Method for identifying rural, urban, and interstate driving in naturalistic driving data : final report 

      Cannon, Brad R.; McLaughlin, Shane B.; Hankey, Jonathan M. (Virginia Tech. Virginia Tech Transportation Institute, 2009-03-12)
      By employing the functionality of GIS, code was written which allows for an automated process to compare the GPS data recorded in the naturalistic driving data with geographic map data from the U.S. Census Bureau and road ...
    • Modeling 100-car safety events: a case-based approach for analyzing naturalistic driving data: final report 

      Guo, Feng; Hankey, Jonathan M. (Virginia Tech. Virginia Tech Transportation Institute, 2009-09-30)
      This study developed an integrated framework for modeling the safety outcomes of naturalistic driving studies and addressed several critical methodological issues. The results indicate a certain level of discrepancy between ...
    • Modeling Driver Intent in Potential Right Turning Scenarios 

      Gorman, Thomas (National Surface Transportation Safety Center for Excellence, 2020-04-20)
      The objective of this work was to build predictive models of driver intent at T-intersections based on vehicle speed, acceleration, brake pedal state, and speed limit data from the Second Strategic Highway Research Program. ...
    • Moth Effect: Determining Contributing Factors 

      Terry, Travis N. (National Surface Transportation Safety Center for Excellence, 2018-01-31)
      The “moth effect” theory posits that drivers are attracted to or mesmerized by light much as moths are drawn to a flame. The notion that drivers are susceptible to the moth effect is born from the fact that vehicles stopped ...
    • An On-Road Evaluation of the Impact of Explicit and Implicit Cognitive Training Protocols on Safety-Related Senior Driver Behaviors 

      Antin, Jonathan F.; Owens, Justin M.; Wotring, Brian (National Surface Transportation Safety Center for Excellence (NSTSCE), 2017-04-21)
      This study presents a long-term examination of the effects of two types of perceptual-cognitive brain training programs on senior driver behavior and on-road driving performance. Seniors over the age of 69 engaged in either ...
    • Parent Perceptions of Real-Time and Non-Video Feedback from the Driver Coach Study 

      Baker, Stephanie Ann; Klauer, Charlie; Baynes, Peter; Dingus, Thomas A. (National Surface Transportation Safety Center for Excellence, 2020-04-24)
      Motor vehicle crashes are the leading cause of death for teens. Research indicates that an effective way to improve teen safety is through the use of in-vehicle monitoring devices that provide feedback to teens and parents. ...
    • Pedestrian Visibility in Roundabouts: Naturalistic Study of Driver Eye-Glance Behavior 

      Bhagavathula, Rajaram; Williams, Brian; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2019-04-16)
      Roundabouts increase safety, but their safety effects on vulnerable road users are not as great as the safety effects for motor-vehicle drivers. Additionally, many motorists fail to yield to pedestrians at intersections ...
    • Pediatric Vehicular Heatstroke: Evaluation of Preventative Technologies 

      Glenn, Laurel; Glenn, Eric; Neurauter, Luke (National Surface Transportation Safety Center for Excellence, 2021-04-06)
      In 2018 and 2019, pediatric vehicular heatstroke (PVH) was the leading cause of nontraffic child fatalities involving vehicles in the United States. Legislation is being introduced in Congress to require passenger vehicles ...
    • Pediatric Vehicular Heatstroke: Review of Literature and Preventative Technologies 

      Glenn, Eric; Glenn, T. Laurel; Neurauter, Michael L. (National Surface Transportation Safety Center for Excellence, 2019-10-08)
      Pediatric vehicular heatstroke (PVH) was the leading cause of nontraffic child fatalities in the United States in 2018. On average, there are 38 PVH fatalities in the U.S. each year, for a total of 905 child fatalities on ...
    • A policy review of the impact existing privacy principles have on current and emerging transportation safety technology 

      Pethtel, Ray D.; Phillips, James D.; Hetherington, Gene (Virginia Tech. Virginia Tech Transportation Institute, 2011-05-12)
      Ensuring the safety of travelers by the use of technology, and protecting the personal information that is collected for those applications, is an important transportation policy concern. Perceptions of an abuse of privacy ...
    • Pre-Employment Screening Best Practices in the Commercial Motor Vehicle Industry 

      Mabry, J. Erin; Hickman, Jeffrey S.; Glenn, T. Laurel (National Surface Transportation Safety Center for Excellence, 2020-05-22)
      This study documents innovative and successful practices for pre-employment screening in the commercial motor vehicle (CMV) industry and assesses the prevalence and effectiveness of these pre-employment screening practices ...
    • A Preliminary Investigation into the Safety-Critical Event Risk of Aging Commercial Motor Vehicle Drivers 

      Dunn, Naomi; Antin, Jon; Soccolich, Susan A. (National Surface Transportation Safety Center for Excellence, 2018-09-07)
      The majority of research into age-related declines in driving performance has concentrated on light vehicle, non-commercial drivers. However, the aging of the commercial motor vehicle (CMV) workforce raises a number of ...
    • Prescription and Over-the-Counter Drug Use and its Relationship to Involvement in Safety-Critical Events 

      Camden, Matthew C.; Hickman, Jeffrey S.; Soccolich, Susan A.; Hanowski, Richard J. (2014-10-07)
      This project served as a pilot study that illustrated the feasibility of using naturalistic driving data to assess the risk of a safety-critical event (SCE) associated with prescription (Rx) and over-the-counter (OTC) drug ...