An apparatus for defining a safety zone for a vehicle, the apparatus comprising one or more radiation sources operatively coupled to the vehicle, the one or more radiation sources configured to create one or more visible identifiers at one or more locations, said locations defining a pre determined position relative to the vehicle, and said {HEAD ~ one or more visible identifiers} thereby defining {TAIL ~ the safety zone} for the vehicle 
defining
An apparatus for defining a safety zone for a vehicle , the apparatus comprising one or more radiation sources operatively coupled to the vehicle , the one or more radiation sources configured to create one or more visible identifiers at one or more locations , said locations defining a pre determined position relative to the vehicle , and said { HEAD ~ one or more visible identifiers } thereby defining { TAIL ~ the safety zone } for the vehicle
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH