Discussion
infection, crash
INFECTION, RECRUITMENT
Although recruitment was delayed by the COVID-19 pandemic, enrollment has been robust. A number of infection control measures were taken by the study team, including masking and covid-screening protocols per the University of Pennsylvania’s COVID-19 and local guidelines where the ODAs take place, sanitation of training vehicles between each ODA, and air filtration systems in all communal spaces, but these have not negatively affected operations. The target completion date for the study is June 2025 and recruitment is on-going at the time of submission of this article for publication.Young drivers’ crash risk is highly heterogeneous, changes non-linearly and non-incrementally, and the variability of the transportation environment in conjunction with its interconnected (i.e., systems) features make individual-level crash risk hard to predict [