One lane is closed and there's queueing traffic due to an accident involving a lorry on the M4 westbound between J16 A3102 / B4005 (Swindon West) and J17 A350 / A429 / B4122 (Chippenham).
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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.