Exclusive: Smart motorways still not passing safety test

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Highways | 2024年 / 93卷 / 04期
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One in four stopped vehicle detection (SVD) installations on all lane running (ALR) smart motorways failed to meet National Highways’ core performance requirements when re-tested last year. The government-owned company has declined to disclose how many of the 21 individual schemes that were tested have officially passed into 'business as usual’, i.e. permanent operation.
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