Vehicles made in the Midlands are leading the way in global sales.
The region is making far more cars this year than it did last but that figure could be even higher if smaller firms, who keep the big manufacturers going, could expand.
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Highways England says the closures are taking place during the summer holidays as the roads around Birmingham are much quieter.
A dry start with sunny intervals.
Kumran Ghalib stayed in hiding abroad while his 18 accomplices were jailed for a combined total of more than 200 years.