Another method for preventing vehicle accidents at intersections in accordance with the invention includes monitoring the position of vehicles in the vicinity of the intersection relative to the intersection, monitoring the relative speed between the vehicles in the vicinity of the intersection, predicting collisions between the vehicles in {TAIL ~ the vicinity} of the intersection in the intersection based on their position and speed, and when a collision is predicted, undertaking action to prevent {HEAD ~ the collision} 
Another method for preventing vehicle accidents at intersections in accordance with the invention includes monitoring the position of vehicles in the vicinity of the intersection relative to the intersection , monitoring the relative speed between the vehicles in the vicinity of the intersection , predicting collisions between the vehicles in { TAIL ~ the vicinity } of the intersection in the intersection based on their position and speed , and when a collision is predicted , undertaking action to prevent { HEAD ~ the collision }
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