Police Power Exercise Act Article 27

To prevent danger or harm, the police may, while exercising their authority, temporarily drive out or restrain a person or a vehicle to eliminate an obstruction.
中文原文 警察職權行使法第27條
警察行使職權時,為排除危害,得將妨礙之人、車暫時驅離或禁止進入。

English translation for reference only; the Chinese text prevails. Not legal advice.