M6: Repairs and Maintenance
The question
To ask the Secretary of State for Transport, when any assessment by National Highways of temporary slip roads at Junction 38 of the M6 was undertaken; and whether the findings of that assessment informed the current construction programme.
Answered by Simon Lightwood
National Highways first assessed the potential for temporary slip roads during the project’s optioneering stage in 2019. Further consideration took place during early design development, and the option was not taken forward at that time due to spatial constraints, value for money considerations, the need for significant lane and speed restrictions, and the likelihood of a costly extension to the overall construction period.
In 2025, following engagement with local stakeholders, National Highways committed to revisit this option, with a feasibility exercise carried out in August 2025. This re-considered the option of temporary slip roads. The exercise supported the conclusions during the early design phase; specifically, that temporary slip roads were unsuitable due to the space needed to construct the bridge decks, as well as representing poor value for money. During 2025, the programme has also assessed a wide range of options to improve connectivity, and this resulted in the decision to defer work on Lawtland House bridge to a future date, improving local connectivity during the construction period.
When National Highways presented their findings from the feasibility exercise, a revised construction methodology was submitted by BWB Consulting on behalf of local stakeholders in October 2025. National Highways has committed to review this proposal from BWB consulting to see if it has presented an alternative viable solution. The review will conclude in January 2026.
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