Narrow lanes and a 50mph speed limit are in place, with a free recovery service operating 24 hours a day. There will be additional lane and slip road closures as required, which will be carried out overnight when traffic flow is lowest.
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The series transforms the picturesque beaches of Dorset's West Bay into a south coast resort with almost as many murder victims as cafes.
Monday afternoon's forecast for the west of the region
Monday afternoon's forecast for the east of the region