Written Question·Department for Transport·UIN 89936

Bridges: Large Goods Vehicles

Tabled: 11 November 2025
Answered: 17 November 2025

Question

Helen Maguire

Liberal DemocratEpsom and Ewell

To ask the Secretary of State for Transport, if she will model the potential impact of (a) single 32 tonne drum mixers against (b) 38.4 tonne volumetric concrete mixers on bridges.

Answer

Keir Mather
On 18 March 2025 the Department published a National Highways commissioned study on the load impacts of volumetric concrete mixers on bridges alongside the outcome of a call for evidence that ran in October-December 2023. This can be found at the followin...

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