Factors Affecting Transportation Safety: Results of a Large Naturalistic Driving Study

• Activity Number: 220 - Contributed Poster Presentations: Transportation Statistics Interest Group
• Type: Contributed
• Date/Time: Tuesday, August 4, 2020 : 10:00 AM to 2:00 PM
• Sponsor: Transportation Statistics Interest Group
• Author(s): Steve Rigdon* and Miao Cai
• Companies: Saint Louis University and Saint Louis University
• Keywords: Truck safety; Logistic regression; Hierarchical Bayes; MCMC

Abstract

We present data from a large naturalistic driving study involving truck drivers from a nationwide transportation company. Regarding the question of whether safety critical events, such as hard breaks or lane departures, are related to the likelihood of a crash, we find that there is a moderate and highly statistically significant correlation. We then investigate the factors that affect the occurrence of safety critical events, including cumulative driving time, time of day, and weather.