Urban Road Act Article 18
The construction design standards of urban roads which are defined as a part of the highway system as prescribed in the preceding Article shall be determined by the highway authorities in coordination with the urban road authorities at same level according to the provisions of the urban plan or the urban road authority; and the standards shall not be below the construction design standards of the highway routes. If the construction standards of the highway are higher than that of urban roads as a result of a change of design, the route of the highway system shall be changed or shall bypass the urban areas.
中文原文 市區道路條例第18條
前條經核定劃為公路路線系統之市區道路，其工程設計標準，應依照都市計劃或市區道路主管機關之規定，由公路主管機關與同級市區道路主管機關協商辦理之。
但不得低於該公路路線之工程設計標準，如因公路工程標準變更，致高於原市區道路工程設計標準時，應改選路線系統或繞越市區外通過。
但不得低於該公路路線之工程設計標準，如因公路工程標準變更，致高於原市區道路工程設計標準時，應改選路線系統或繞越市區外通過。