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Radio road-travel news is a valuable service

The exercise was carried out for the BBC specialist statistics programme 'More or Less' on Radio Four.

It followed a comment from a listener suggesting radio travel news would be largely irrelevant to listeners.

But an analysis of a typical travel report broadcast during the evening rush hour showed 16 per cent of drivers on England's motorways and trunk road network were on the stretches of road mentioned by 'Sally Traffic' on BBC Radio Two.

Highways Agency data showed there were 47,000 vehicles on the eight stretches of road at the time.

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