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M25: Noise

Asked by Rebecca PaulConservativeDepartment for TransportTabled Answered 25 October 2024UIN 9587

The question

To ask the Secretary of State for Transport, pursuant to the Answer of 8 October 2024 to Question 5795 on M25: Noise, how much Next Generation Concrete Surfacing is expected to reduce noise levels by.

Answered by Lilian Greenwood

Trials conducted on the M1 suggest that Next Generation Concrete Surfacing (NGCS) could yield a reduction of between 3.4 and 3.7 dB(A) in the noise generated between the vehicle tyre and the concrete road surface.

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