路面交通流量加大
The traffic flow on the road has increased
以上为机器翻译结果，长、整句建议使用 人工翻译 。
究其原因，一是私家车数量剧增，路面交通流量加大，交通交织点和冲突点增多，发生事故几率增大；
The reason is, first, the increasing number of private cars, road traffic increased, traffic interleaving point and the point of conflict increased risk of accidents increases;
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