Route sign of Highway 88 in Taiwan
道路交通標誌標線號誌設置規則第八十九條（Article #89）

This  is a retouched picture, which means that it has been digitally altered from its original version. Modifications: SVGed. The original can be viewed here: TW PHW88.png: . Modifications made by NikNaks93.
Original: 中華民國交通部、中華民國內政部 Vector:  NikNaks93 (talk)