TTI-01-04 Final Research Report: Influences on Bicyclists and Motor Vehicles Operating Speed within a Corridor1302 DownloadsAbstract 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 the unconstrained speed for a location. Both vehicle volume … TTI-01-04 Final Research Report: Influences on Bicyclists and Motor Vehicles Operating Speed within a Corridor
02-027 Final Research Report: Street Noise Relationship to Bicycling Road User Safety1198 DownloadsAbstract 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. metropolitan area, in addition to other factors. Construction and validation … 02-027 Final Research Report: Street Noise Relationship to Bicycling Road User Safety
02-026 Final Research Report: Sources and Mitigation of Bias in Big Data for Transportation Safety1119 DownloadsAbstract 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 and accuracy related to transportation safety statistics. This study … 02-026 Final Research Report: Sources and Mitigation of Bias in Big Data for Transportation Safety