Clustering analysis of traffic flow situation in snow melt period and non-ice period was made by the arithmetic of FCM in terms of a large amount of data of speed and density in the two periods.

• 摘要在收集大量冰雪融冻期和非冰雪期速度和密度数据的基础上，提出采用模糊c均值的算法对这两个时期的交通流状态进行聚类分析。