Now showing items 489-496 of 496

    • Weather Camera 

      Palmer, Matthew; Gibbons, Ronald (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 ...
    • Wet Night Visibility of Pavement Markings 

      Gibbons, Ronald B. (Ronald Bruce); Hankey, Jonathan M.; Pashaj, Irena (Virginia Center for Transportation Innovation and Research, 2004-10)
      This report describes an investigation into the performance of pavement markings in wet night conditions. The performance of a typical pavement marking will degrade when it gets wet. This is a result of the flooding of the ...
    • Wet night visibility of pavement markings :executive summary 

      Gibbons, Ronald B. (Ronald Bruce); Hankey, Jonathan M.; Pashaj, Irena (Virginia Center for Transportation Innovation and Research, 2004-10)
      This executive summary describes an investigation into the performance of pavement markings in wet night conditions. The performance of a typical pavement marking will degrade when it gets wet. This is a result of the ...
    • Why Conducting In-Depth Naturalistic Riding Study?... Examples from Rider Trainees and Novices in France 

      Espié, S.; Aupetit, S.; Delgehier, F.; Bouaziz, S. (2014-08-27)
    • Why Fixed Slip Devices Can Not Measure The Speed Gradient Due To The Pavement 

      Rado, Z.; Wambold, J.C. (2012)
      This paper covers why measurements at various speeds with continuous friction measurement equipment (CFME) are not able to measure the speed - friction gradient of the pavement as determined by the macro-textural features ...
    • 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 ...
    • X-Ray Computed Tomography Observations Of Low-Noise Mixes 

      Adiren, J.; Carbonneau, X.; Lapeyronie, V. (2012)
      In recent years, low-noise mixes have met with considerable success, as they provide an effective response to a well-identified problem and produced effects that are directly perceptible by residents. The design of mixes ...