According to the NHTSA, certain moving violations committed by drivers of commercial motor vehicles cause serious accidents and can result in driver disqualification. Those violations include:

  • Speeding
  • Tailgating
  • Improper lane changes
  • Reckless driving
  • Improper turning
  • Drug- or alcohol-impaired driving

Equipment failure, overloading or improperly loading, failure to perform inspections, distracted driving, and sudden braking are other common causes of tractor-trailer accidents.