That was a different situation... rather than the OP’s concern about hay falling off a truck the bale which killed Edwards rolled out of a field into the roadway.In 2010 a member of the band ELO was...
ELO's Mike Edwards killed by hay bale in freak crash
Former member of British rock group ELO, Mike Edwards, is killed in a freak accident when a hay bale rolls on to a Devon road and crushes his van.www.bbc.com