Research conclusions:According to the analysis,now the transportation similarity between Hainan and Taiwan is only 0.4,but that will be 0.805 after island-loop railway being formed.

• 研究结论:通过分析；目前两省交通特征相似度仅为0.；4；随着环岛铁路的形成；两省2020年交通特征相似度达0