An eye witness said the lorry went through the barrier on the raised section of the M42 where it goes over the M6 Toll.
More information to follow.
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Duller conditions moving back towards the coast through the morning, leaving a mainly dry day with warm sunny spells.
Showery outbreaks of rain will become more widespread through Thursday with heavy and locally thundery downpours possible.
Pollen: West Midlands Update