Complex sentence: Recently (November 24,2008) a new enforcement being made by departments requires firefighters to wear a bright yellow reflective vest over their turnout coats while working vehicle accident to be more visible to the other drivers on the road.
Split into simpler sentences: Recently (November 24,2008) a new measure was established by many departments that requires firefighters to wear a bright yellow reflective vest over their turnout coats while working on the scene of vehicle accidents. The advent of this measure was implemented so firefighters are more visible to the other drivers on the road.