the motorist attempted the dangerous manoeuvre on the a39 between street and glastonbury in somerset on tuesday morning .
the driver gambled on finally passing lorry driver , nick townley , at a set of lights but badly miscalculated as the road narrowed and lost control at 50mph .
an impatient driver who attempted to overtake a lorry lost control and destroyed the caravan he was towing .
the accident closed the road for several hours as police cleared up the debris and questioned the driver .