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M6 (West Midlands)

Volume 931: debated on Wednesday 11 May 1977

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26.

asked the Secretary of State for Transport if he will make a statement on the defects recently discovered in road joints on the elevated sections of the M6 motorway in the West Midlands.

The joints installed when the viaducts were built were of the buried type. This means that there is no discontinuity in the surface at the joint, thus giving a smoother ride. Although they have been used successfully elsewhere, many of them broke down on the M6, and replacement by a different type of joint is now being carried out progressively.