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Shield deadly barrier posts

I had not given the concrete versus metal crash barrier debate much thought until a recent conversation with a traffic police officer.

He had recently attended a fatal collision involving a motorcyclist; the rider might have survived if it were not for the "z" post of the metal crash barrier decapitating him.

Injuries to motorcyclists caused by crash barrier posts could be prevented by solid barriers or shielding the posts.

I notice that some stretches of metal crash barriers have been retrofitted with shields in some high risk sites.

- MARTIN BATTLE, senior engineer, Jacobs Consultancy, Tower Bridge Court, 224-226 Tower Bridge Road, London SE1 2UP

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