Regional traffic flow model is studied in this paper on the basis of current research.
以当前研究为基础，进行了区域交通流量的演化模型研究。
The traffic flow information guidance can improve the operation efficiency of regional traffic.
交通流信息诱导能提高区域交通运行效率。
Traffic safety; Accident scenes; Regional division; Secondary traffic accident; Speed limit; Traffic signs.
交通安全；事故现场；区域划分；二次交通事故；速度限制； 交通标志。
Regional location, industry developed, water, land, air traffic is very convenient.
区域位置优越，工业发达、水陆、空交通十分便捷。
Regional location, industry developed, water, land, air traffic is very convenient.
区域位置优越，工业发达、水陆、空交通十分便捷。
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