Fitch became a safety advocate and began research into automotive safety, some of which have advanced into motorsport.

Current rules limit drivers' workdays to 14 hours, with only 11 consecutive hours of driving allowed, union leaders and safety advocates say.

Public safety advocates worried that dray trucks, which use city streets during normal working hours, were under-regulated and a risk to commuters.

Critics and safety advocates point to the numerous injuries and accidental fires that are attributed to fireworks as justification for banning or at least severely restricting access to fireworks.