Trailer ' crashed ' into the barriers in practice on A444 in 2004 . Impact injuries have ' certainly been fatal ' if a couple of inches closer to driver . Paramedics were notified when z Wasniewski walked out unaided .
Trailer 'embedded ' into car windscreen in smash on A444 in Coventry . Impact would have 'certainly been fatal ' if a couple of inches closer to driver . Paramedics were shocked when Marcin Wasniewski walked out unaided .