M25: Noise

Department for Transport written question – answered on 9th September 2019.

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Photo of Jonathan Lord Jonathan Lord Conservative, Woking

To ask the Secretary of State for Transport, what steps he is taking to reduce noise on the M25 between junctions 10 and 11.

Photo of George Freeman George Freeman Minister of State (Department for Transport)

Currently Highways England has a programme to replace the joints between the concrete slabs between junctions 9 and 11. This work is being done to ensure the road surface is maintained in good condition, but it should also help to reduce noise from the road surface.

Highways England is also carrying out trials to test materials and techniques which could help to reduce road noise from concrete surfacing on the M25 network. This trial is being carried out on the M1 motorway southbound between junctions 5 and 6.

This trial is due to finish in 2022 and the findings will be used to develop our long-term strategy for managing concrete road surfaces in the south east. The trial does include a period of accelerated testing on other parts of the strategic road network before 2022, and Highways England will keep this under review.

Highways England will monitor the condition and safety of the strategic network regularly and the surface of the M25 between junctions 10 and 11 is inspected weekly. Any safety critical defects will be repaired within 24 hours with a permanent repair completed within 28 days.

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