Lucas123 writes: An MIT [Senseable City Lab] study based on mathematical modeling demonstrated a likely scenario in which high-tech vehicles, using sensors to remain at a safe distance from each other as they move through a four-way intersection, can eliminate the need for traffic lights in the future. By removing the waits caused by traffic lights, these so-called Slot-based Intersections speed-up traffic flow.The study claims this kind of traffic-light-free transportation design, if it ever arrives, could allow twice as much traffic to use existing roads.
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