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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Expect to see some outbreaks of light rain and cloud.
Rain clearing overnight. Becoming wet and windy later Sunday.
'Disadvantaged' A-level pupils are to be offered free tuition to help them get into university.