Leave the M6 at J23 and join the A580 following it for 4.5KM. Turn right at the B5207 junction. At the A572 junction turn right and follow until the A579 for 3.2KM and re-join the M6 at J22.
Northbound road users should follow 'Solid Square' diversion symbol and the above in reverse, a Highways England spokesman said..
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