Further, each of the road side data exchange devices broadcasts {HEAD ~ the analyzed result data} from its database to all of neighboring road side data exchange devices to provide the analyzed result data to {TAIL ~ an electronic device} 
Further , each of the road side data exchange devices broadcasts { HEAD ~ the analyzed result data } from its database to all of neighboring road side data exchange devices to provide the analyzed result data to { TAIL ~ an electronic device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL