The A30 is partially blocked westbound after an accident at Bolventor. The barrier has been damaged and there's debris on the road near Jamaica Inn
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Helen has the forecast for Devon, Cornwall, Somerset and Dorset.
Helen has the forecast for Bristol, Wiltshire, Somerset, Gloucestershire and Dorset.
Figures obtained by ITV News West Country show that drivers in Plymouth spend over two working days a year stuck in gridlock in the city.