The present invention relates generally to methods and arrangements for managing traffic through {HEAD ~ vehicular intersections} to prevent {TAIL ~ collisions} 
to prevent
The present invention relates generally to methods and arrangements for managing traffic through { HEAD ~ vehicular intersections } to prevent { TAIL ~ collisions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL