Revision question · Vehicle loading

What could happen if you drive a double-deck lorry with the top deck loaded and the lower deck empty?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

The lorry will become unstable under normal braking

The brakes will be less effective

The lorry may overturn when cornering

You'll need to change gear more often

Show the answer

The lorry may overturn when corneringThis was the right answer

If you're only carrying half a load on a double-deck lorry, this should be carried on the lower deck whenever possible. With only the top deck loaded, your lorry is top-heavy and at risk of overturning as you drive around bends or corners.

Reviewed reading for this question

Keep the load low, balanced and within each axle limitReviewed guidance summary · These test even distribution, heavy items near the centre line and the instability of a top-only load.

Loading the questions