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眼瞅着绿灯都变红了，车还纹丝不动，或者仅仅在龟速前进，前面更是堵得一团糟……你开车或者坐车时遇到过让人闹心的“排队溢出吗？ Spillback is the full or partial blockage of an intersection by one or more cars that don’t make it through before the traffic lights turn red. “排队溢出指的是交叉路口被一辆或多辆车完全或部分堵住，导致交通灯变红前路口一直无法通行的状况。 Spillback occurs when a street block is so jammed with slow-moving or stopped vehicles that it has no room for any entering traffic, which frequently “spills back. 当街区挤满缓慢前行甚至停止不动的车辆，也就没有空间留给其他车辆驶入，这时就经常会发生“排队溢出。 我们平时也常用queue spillback来表示下游交叉口车辆排队蔓延至上游交叉口的交通现象。 | 
