Police are seeking witnesses to a series of crashes on the M180 near Brigg on Tuesday, 16 July.
At about 3.15pm a number of crashes happened within a tailback of traffic after an incident involving an overturned caravan on the eastbound carriageway between junctions four and five.
The caravan was being towed by an Alfa Romeo when it became detached from the car and overturned in lane one.
In the subsequent build up of traffic, a yellow curtain sided articulated Volvo lorry collided with the rear of a white articulated Iveco lorry resulting in the driver of the yellow Volvo lorry being trapped in his cab.
The collision between the two lorries resulted in the entire three lanes of the motorway being blocked.
A silver Fiat Punto then collided with the rear of a blue Mercedes car and the rear of a blue articulated lorry.
In a further collision, a green articulated lorry collided with a green rigid lorry, both drivers received minor injuries.
Humberside Police are appealing to witnesses to contact them on the non emergency number, 101. Quote log 433 of July 16, 2013.