passenger traffic flow direction

例句：

1. 1. The trafficflow direction is crucial for the city's traffic planning.
   交通流向对于城市的交通规划至关重要。
2. 2. The new highway will change the passengertraffic flow direction in this area.
   这条新高速公路将改变该地区的乘客流量方向。
3. 3. Thedesign of the traffic flow direction can greatlyaffect the efficiency of the transportation system.
   交通流向的设计可以极大地影响交通运输系统的效率。