Roger Lawrence the leader of Wolverhampton City Council says the construction of i54, the new junction off the M54, is the biggest single investment in the UK in the last decade.
Jaguar Land Rover are building their new engine manufacturing plant on the site.
It is hoped that they will help to draw more businesses onto the site, creating more jobs.
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Breezy and rather cloudy this evening and overnight.
Mainly dry to start with some clear spells but remaining windy and mild.
Bright and blustery conditions with a few scattered showers.