Identification

• The cab-over-engine cab fell out of favor in the 1990s when regulations permitted longer trucks.
  
  Class 7 or 8 commercial vehicles can be identified by their cab-over-engine design, in which the driver sits above the front axle and engine, or the more popular conventional cab models that feature a long hood and sleeper accommodations toward the rear of the cab.
  
  

Big Rigs

• A Kenworth T800 long nose conventional cab big rig.
  
  Trucks are classified in categories 1 through 8, with Classes 7 and 8 identified as commercial vehicles with a gross vehicle weight of more than 26,001 lbs.
  
  

Buses

• Amtrak buses are commercial vehicles and drivers must possess a commercial driver's license.
  
  Passenger buses such as Greyhound or Amtrak coaches equipped to carry a minimum of nine passengers for fares are classified as commercial vehicles.
  
  

Taxis

• New York City cabs fall under the commercial vehicle category.
  
  Taxi cabs are commercial vehicles, which are licensed by local municipalities and subject to local and state safety laws.
  
  

Small Business

• Delivery trucks are considered commercial vehicles, but do not require licensing.
  
  Plumbers' trucks, flower delivery vans, mobile auto repair trucks and similar vehicles are considered commercial vehicles but generally don't require a commercial driver's license.
  
  

Trailers

• Class 7 and 8 commercial vehilces undergo rigorous inspections.
  
  Larger trailers or containers transported by big rigs fall under the commercial vehicle definition, but recreational or farm trailers do not.