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Critical value in reducing blackspots

Just prior to Christmas, I flicked on the television to discover a heart-warming programme on Channel 4, where a series of engineers described quite simply their job in managing the redesign of accident blackspots. With enormous enthusiasm, and assisted by relatives of victims of the accidents, they set about explaining, to camera, the process of assessing the costbenefit analysis they carried out in justifying the expense of designing down the risks.

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