Highway Act Article 5
This English translation was last updated on 2025-12-19, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.
Where provincial highways and National highways share routes, the shared sections shall be considered as part of the national highway system. Where city highways, county highways and provincial highways share routes, the shared sections shall be considered as part of the provincial highway route system.Where district highways and city highways share routes, the shared sections shall be considered as part of the city highway system. Where and county highways share routes, the shared sections shall be considered as part of the county highway system. Where urban roads and highways, rather than special highways, share routes, the shared sections shall be considered as part of the highway system.
中文原文 公路法第5條
省道與國道使用同一路線時，其共同使用部分，應劃歸國道路線系統；市道、縣道與省道使用同一路線時，其共同使用部分，應劃歸省道路線系統；區道與市道使用同一路線時，其共同使用部分，應劃歸市道路線系統；鄉道與縣道使用同一路線時，其共同使用部分，應劃歸縣道路線系統。
市區道路與專用公路以外之公路使用同一路線時，其共同使用部分，應劃歸公路路線系統。
市區道路與專用公路以外之公路使用同一路線時，其共同使用部分，應劃歸公路路線系統。