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为了一年一度的足球联赛决赛,美国足球协会决定扩建一处体育场。原体育场能容纳8万名观众,扩建后将达到12万。方案敲定之后,有人发现了一个问题。体育场扩容不成问题,问题是通往体育场的道路只能容纳8万人的流量,根本无法容纳12万人的流量。若盲目增加人流,极易造成道路拥堵,增加不安全因素,甚至会导致踩踏伤亡
For the annual Soccer League finals, the American Football Association decided to expand a stadium. The original stadium can accommodate 80,000 spectators, after expansion will reach 120,000. After the program was finalized, someone found a problem. Stadium expansion is not a problem, the problem is that the road leading to the stadium can only accommodate the flow of 80,000 people, simply can not accommodate the flow of 120,000 people. If blindly increasing the flow of people, can easily cause road congestion, increase insecurity, and even lead to stampede