Urban Road Act Article 16

Excepting roads and accessory works and the necessary facilities set out in Article 8, if any construction is made without permission on lands for road use, compulsory destruction shall be enforced and the owners shall be punished in accordance with Article 33.
中文原文 市區道路條例第16條
道路用地範圍內,除道路及其附屬工程,暨第八條規定必須附設於道路範圍內之各項設施外,禁止其他任何建築,其有擅自建築者,勒令拆除之,並依第三十三條之規定,予以處罰。

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