Now showing items 1-5 of 5

    • Exploring the Science of Retroreflectivity: Curriculum for Grades 4 through 6 

      Finley, Melisa D.; Hanover, Stephanie; Chrysler, Susan T. (Safety Through Disruption (SAFE-D) National University Transportation Center, 2018-10)
      According to the United States Department of Commerce, careers in science, technology, engineering, and mathematics (STEM) are growing faster than occupations in other areas. However, in-class academic concepts can seem ...
    • Safety Perceptions of Transportation Network Companies (TNCs) by the Blind and Visually Impaired 

      Simek, Christopher L.; Higgins, Laura L.; Sener, Ipek N.; Moran, Maarit M.; Geiselbrecht, TIna S.; Hansen, Todd W.; Walk, Michael J.; Ettelman, Ben L.; Plunkett, Michelle (Safety Through Disruption (SAFE-D) National University Transportation Center, 2018-10)
      For individuals that are visually impaired, access to safe and reliable transportation can be a significant challenge. The limited menu of mobility options can culminate in a reduced quality of life and more difficulty ...
    • Sources and Mitigation of Bias in Big Data for Transportation Safety 

      Griffin, Greg P.; Mulhall, Meg; Simek, Chris (Safety Through Disruption (SAFE-D) National University Transportation Center, 2018-11)
      Emerging big data resources and practices provide opportunities to improve transportation safety planning and outcomes. However, researchers and practitioners recognize that big data includes biases in who the data represents ...
    • Street Noise Relationship to Bicycling Road User Safety 

      Griffin, Greg P.; Hankey, Steve; Simek, Chris; Le, Huyen; Buehler, Ralph (Safety Through Disruption (SAFE-D) National University Transportation Center, 2018-12)
      Vulnerable road users, such as bicyclists, experience road noise directly. This study explored the relationship between bicycle crash risk and street-level road noise as measured in Austin, Texas and the Washington, D.C. ...
    • Vehicle Operating Speed on Urban Arterial Roadways 

      Fitzpatrick, Kay; Das, Subasish (Safety Through Disruption (SAFE-D) National University Transportation Center, 2019-01)
      This research explored (1) the relationship between suburban vehicle operating speed and roadway characteristics,especially the presence of bicyclists and (2) whether crowdsourced speed data could be used to estimate ...