Motorways: Lighting
The question
To ask the Secretary of State for Transport, if she will publish the TA 501 safety assessment and Scheme Appraisal Report for the removal of motorway lighting on the M4 between junctions 8 and 12; and what steps her Department is taking to ensure that the TA 501 methodology is applied transparently where safety infrastructure is removed.
Answered by Simon Lightwood
National Highways has a thorough, consistent and documented approach to the management of construction schemes. National Highways assessed the removal of lighting on the M4 between junctions 8 and 12 using TA49/07, which was the assessment tool before TA 501 was published in March 2020. National Highways has published the M4 J3-J8/9 and J10-J12 Road Safety Lighting Review, which included a summary of the personal injury collision data for the 5 years prior to the removal of lighting. Road casualty statistics and the underlying data are published annually by the Department for Transport.
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