The Central Motorway Police Group warned drivers to expect long delays on the southbound M5 near Birmingham after a lorry trailer became detached from its cab in icy conditions.
Pictures posted on Twitter by the CMPG showed the trailer blocking all three lanes of the motorway near junction 4.
A spokesman for the CMPG said the driver of the lorry suffered minor injuries and an investigation into the cause of the accident had been launched.
The incident happened J4 A38 (Bromsgrove / Stourbridge) in Worcestershire,
The lorries fuel tank ruptured after it jackknifed.