Keywords: Taiwan road sign Art053.png 中華民 警告標誌警48:注意強風 Taiwanese Warning Sign W48 High Winds File ROC2003-09-24道路交 標誌標線號誌設置規則 pdf 第五十三 Article 53 1989-12-15 gov tw PD-ROC-Traffic Signs Diagrams of warning road signs of Taiwan Wind-related warning road signs |