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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Wednesday evening's forecast for the west of the region
Wednesday evening's forecast for the east of the region
French president Emmanuel Macron has reportedly agreed to allow the artwork to leave France for the first time in its 950-year history.