http://www.vtti.vt.edu/national/nstsce/

Recent Submissions

  • Consumer Driving Automation System Education: A Learning and Retention Assessment 

    Trimble, Tammy E.; Baker, Stephanie; Russell, Sheldon; Tidwell, Scott (National Surface Transportation Safety Center for Excellence, 2020-07-08)
    For the potential safety benefits of driving automation systems to be fully realized, drivers must understand the capabilities and limitations of these systems. This study explored a range of materials that drivers may ...
  • Virtual Reality as a Tool to Evaluate Pedestrian Safety 

    Bhagavathula, Rajaram; Williams, Brian; Owens, Justin; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2020-06-25)
    Virtual reality (VR) promises to be an effective tool to evaluate changes to the built environment that could improve safety for pedestrians. However, in order to draw actionable conclusions from VR, it is important to ...
  • Safety Countermeasures at Unsignalized Intersections – A Toolbox Approach 

    Li, Eric; Medina, Alejandra; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2020-06-23)
    In 2015, approximately 8,000 intersection and intersection-related fatal crashes occurred on the nation’s highway system, resulting in more than 8,400 fatalities. That death toll represented about 24% of the traffic-related ...
  • Data Sharing Across Borders: Current Status 

    Lee, Suzanne; Hankey, Jonathan M. (National Surface Transportation Safety Center for Excellence, 2020-05-28)
    This report is the culmination of several years of Virginia Tech Transportation Institute (VTTI) involvement in international collaborations in the field of transportation research. The sponsor of this report, the National ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Parent Perceptions of Real-Time and Non-Video Feedback from the Driver Coach Study 

    Baker, Stephanie; 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. ...
  • 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 ...
  • 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. ...
  • Commercial Motor Vehicle Driver Risk Based on Age and Driving Experience 

    Dunn, Naomi; Soccolich, Susan; Hickman, Jeffrey (National Surface Transportation Safety Center for Excellence, 2020-04-17)
    The commercial motor vehicle (CMV) industry comprises a largely aging workforce, which adds to a widely held concern about a growing CMV driver shortage. As CMV drivers age and retire, there are fewer workers to step in ...
  • Quiet Car Detectability: Impact of Artificial Noise on Ability of Pedestrians to Safely Detect Approaching Electric Vehicles 

    Neurauter, Luke; Roan, Michael; Song, Miao; Miller, Marty; Glenn, Eric; Walters, Jacob (National Surface Transportation Safety Center for Excellence, 2020-04-10)
    Many auto manufacturers are now producing hybrid and electric vehicles with an additive noise component to signal vehicle presence in the same way that internal combustion engine vehicles signal their presence through ...
  • Undiagnosed Obstructive Sleep Apnea in Commercial Motor Vehicle Drivers: Application of STOP-Bang 

    Glenn, T. Laurel; Mabry, Jessica E.; Soccolich, Susan A.; Hickman, Jeff S. (National Surface Transportation Safety Center for Excellence, 2020-04-06)
    Although several studies have estimated the prevalence of obstructive sleep apnea (OSA) in the commercial motor vehicle (CMV) driver population, limitations such as small sample sizes and study samples that are not ...
  • Weather Camera 

    Palmer, Matthew; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2019-11-18)
    Fog- and weather-related visibility reduction is a common cause of multiple-vehicle crashes. Large differential speeds and a tendency of vehicle operators to drive faster than is safe can lead to terrible crashes. Fog can ...
  • 4U Lighting – Cooperative Headlighting 

    Palmer, Matthew; Tsuda, Hiroshi; Williams, Brian; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2019-10-31)
    The purpose of this project was to evaluate the effectiveness of an alternative cooperative headlighting method, dubbed 4U Lighting. A human-subjects study was conducted in which 12 participants 65 or older observed ...
  • 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 ...
  • Work Zone Lighting’s Effect on Driver Visibility 

    Bhagavathula, Rajaram; Gibbons, Ronald B. (National Surface Transportation Safety Center for Excellence, 2019-06-05)
    Portable light towers are a significant source of glare to motorists entering a work zone. Although existing research has evaluated the effect of light tower orientation on visibility and glare, the effects of factors like ...
  • 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 ...
  • 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 ...
  • 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 ...

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