Revision question · Environmental issues

What is the intended road-network benefit of properly working road-friendly air suspension?

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

To reduce wear to roads

To reduce tyre wear

To improve fuel consumption

To help the driver stay awake

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To reduce wear to roadsThis was the right answer

Suitable suspension reduces dynamic wheel loads and can lessen road wear. The result depends on its design, maintenance, speed and road profile. Research on air-sprung trailer bogies does not mean every air-suspended vehicle transmits less vibration over every obstacle.

Reviewed reading for this question

Reduce dynamic wheel loading with suitable suspensionReviewed guidance summary · The general road-wear benefit is supported without claiming that every air-suspended vehicle outperforms every other design.

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