- do they receive regular CDL related physicals that are required by DOT?
- do they receive an automatic drug screen after an accident?
- do they perform the pre-flight check on their vehicles before getting underway?
- are their vehicle logbooks and inspections current? can they produce them if pulled over?
- do they maintain acccurate weight, and accurate logs of vehicle maintenance?
being a commercial driver is much, much more than just clicking "yes" on amazon and hoping for the best.