Provincial Highway 5 (Taiwan)

Provincial Highway No. 5 (台5線) is a 28.7 km-long provincial Taiwanese highway that connects Taipei and its nearest port Keelung. Before the expressway system was built, this was the primary route for goods transportation. The road is a major avenue (known as Zhongxiao East Road) in Taipei city, and is the north-south divide for the city. It also passes through downtown Xizhi and Keelung.

Spur routes

• Highway 5A: This is the old segment of Highway 5 in Xizhi; the new section, now signed as Highway 5, is known as Xin Taiwu (New Highway 5) Road. The total length is 8.6 km.
• Highway 5B: This 2-km spur connects Highway 5A and National Highway 1, allowing trucks to bypass downtown Xizhi.