1. A motor vehicle designed to transport at least 8 persons besides the driver and is indicated as an Autobus on its registration documents.
  2. A commercial motor vehicle designed to transport at least 8 persons and is indicated as a bus in its registration documents.
  3. A commercial vehicle designed to transport passengers for hire.
  4. A motor vehicle designed to transport more than 15 persons and is indicated as a bus in its registration documents.