To evaluate Amazon’s trucking network, The Wall Street Journal analyzed U.S. Transportation Department unsafe driving scores for trucking companies, which are based on traffic citations, such as speeding tickets, and other violations over the previous two years.
The DOT is barred from publishing the monthly scores under a 2015 federal law, but the Journal recreated them using the DOT’s own methodology and publicly available data, including a database of truck inspections. DOT officials provided guidance on the analysis.
