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