Revision question · Vehicle weights and dimensions

Under the STGO exceptional-width authorisation, a lorry carries a load 4.5 metres wide. What is its maximum dual-carriageway speed when no lower limit applies?

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

15 mph

25 mph

35 mph

45 mph

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35 mphThis was the right answer

For the authorised exceptional-width class, Article 30 sets 35 mph on dual carriageways, 40 on motorways and 30 on other roads, subject to lower applicable limits. Its width range is over 4.3 metres to 6.1 metres, not the archive’s upper value of 5 metres.

Reviewed reading for this question

Apply the exceptional-width limits, not a weight categoryReviewed guidance summary · The current consolidated width-specific Articles 28–30 directly cover the stated 4.5-metre load.

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