Vehicle Standards / Dimensions

Question 1

Vehicle Dimensions for Rigid Vehicles

Answer 1

• 12.5 metres long.
• 2.5 metres wide.
• 4.3 metres high.
• Does not include mirrors, anti-skid devices, lights, reflectors ect.

Question 2

Vehicle Dimensions for Articulated/Combination Vehicles:

Answer 2

• 19 metres long, however:
• B-double —25 metres
• Road train —53.5 metres
• Car carrier —25 metres
• Articulated bus —18 metres
• Other bus —14.5 metres
• 2.5 metres wide.
• 4.3 metres high, except:
• 4.6 metres – vehicle build to carry livestock (horse, cattle, pigs or sheep).
• 4.6 metres – vehicle with at least 2 decks for carrying vehicles.
• 4.4 metres – double decker bus

Question 3

Tyres for Light Vehicles

Answer 3

Must have 1.5 millimetres of tread in all groves on the tyre that runs continuously:
- Across the width that normally comes into contact with the road, and
- Around the whole circumference of the tyre.

Question 4

Tyres for Heavy Vehicles

Answer 4

• Must have 1.5 millimetres of tread in all groves on the tyre that runs continuously:
• Across 75% or more of width that normally comes into contact with the road, and
• Around the whole circumference of the tyre.

Question 5

Loads/Projections for Light/Heavy Vehicles:

Answer 5

• Not more than 1.2 metres in front of the headlights.
• Not more than 150 millimetres beyond the extreme outer portion either side of the vehicle.

Question 6

Number plates must be permanently fixed to the vehicle so that (on level ground)

Answer 6

• Is in an upright position, substantially parallel to the vehicle’s axles.
• Not more than 1.3 metres above the ground.
• Is not obscured/defaced/illegible.
• Visible from any point front or rear:
  o 20 metres away, and
  o 45o from either side, and
  o 45o from above.
• If a motorcycle or trailer, one plate attached to the rear.
• Any other type of motor vehicle, there is one plate to the front and rear.
• Any cover is clear and not tinted and has no characteristics that would interfere with the operation of traffic offence detection devices (speed cameras).
• If the plates are of two different sizes, the larger plate is fixed to the rear.

Question 7

Motorcycles Dimensions:

Answer 7

• Any load carried on a motorcycle must not project:
• more than 150mm beyond the front wheel
• more than 300mm beyond the rear wheel
• beyond the extreme outer portion of the motorcycle on either side.
• Any load carried on a motorcycle and sidecar combination must not project:
• more than 600mm beyond the front wheel
• more than 900mm beyond the rear wheel
• beyond the extreme outer portion of the combination on either side