Urban Road Act Article 6
The system and width of urban roads shall be constructed according to the urban plan. In case of no urban plan, a road system map in which the road width is shown shall be drafted in accordance with the standard of urban road design as provided in Article 32, and in keeping with the local needs and possible development. Together with the construction project, the map shallbe presented to the higher authority in charge of urban roads for approval before its promulgation for implementation.The agency in charge of construction shall fix the front lot line of the construction after the promulgation of the abovementioned road system map.
中文原文 市區道路條例第6條
市區道路之修築，其系統及寬度，應依照都市計劃之規定辦理，未有都市計劃者，應依據第三十二條所訂定之市區道路工程設計標準，參酌當地實際需要及可能發展，擬訂道路系統圖，並註明寬度，連同修築計劃，經報上級市區道路主管機關核定後，公布施行。
前項道路系統圖經核定公布施行後，建築主管機關應即規定建築物之境界線。
前項道路系統圖經核定公布施行後，建築主管機關應即規定建築物之境界線。