Road Vehicle Type This dimension categorises information according to the type of road vehicle. Articulate Trucks This type of road vehicle relates to articulated trucks or prime movers. Buses And Coaches This type of road vehicle relates to buses and coaches with 10 seats or more. Light Commercial Vehicles This type of road vehicle relates to light commercial vehicles with a Gross Vehicle Mass of less than 3.5 tonne. Motorcycles And Scooters This type of road vehicle relates to motorcycles and scooters. Non Freight Carrying Trucks This type of road vehicle relates to non-freight carrying trucks. Passenger Vehicles This type of road vehicle relates to passenger vehicles including buses with fewer than 10 seats. Rigid Trucks This type of road vehicle relates to rigid trucks with a Gross Vehicle Mass of 3.5 tonne or more. Trailers This type of road vehicle relates to trailers attachable via a turntable.