As an elevated expressway, PH 64 traverses through rural, suburban, and urban areas of New Taipei City. Beginning near Port of Taipei in Bali District, the route proceeds southwest, crossing over PH 15 and CR 105. Then the route turns south and tunnels through Guanyin Mountain with Guanyinshan Tunnel. The route emerges from the tunnel near the Chengzilao area of Wugu District, turning southwest along the west shore of Erchong Flood Diversion Path. PH 64 then intersects with CR 108, with an indirect connection to Freeway 1 available via a viaduct over CR 108 and CR 107A at this interchange. Then the expressway crosses over Freeway 1 and leaves Wugu. As the route enters Sanchong, it leaves the rural areas of the city and takes on a more suburban character. PH 64 continues southeast along Erchong Flood Diversion Path, and then crosses over Dahan River with New Taipei Expressway on Chongcui Bridge as it exits Sanchong and enters Banqiao. The route proceeds southwest, straddling the south shore of Dahan River before turning southeast near CR 106A and Dahan Bridge into central Banqiao. Here the expressway enters the urban areas of New Taipei, with tall buildings closely lining the sides of the expressway, and proceeds like this until the eastern terminus. The expressway continues above CR 106A, which is Minsheng Road in Banqiao, and becomes Zhongzheng Road in Zhonghe. At the interchange with Freeway 3 in Zhonghe, the route bends from south to east. It then continues above Zhongzheng Road and then Jingping Road in Zhonghe before terminating near the western approach of Xiulang Bridge. The route does not actually reach Xindian; to get there, it is necessary to use Xiulang Bridge, which is actually CR 106 and not PH 64.
History
The road was originally planned as a mostly at-grade boulevard by Taipei County Government named Special Route 1 from Xiulang Bridge in Zhonghe to Wugu Industrial Park through Banqiao and Xinzhuang. Originally the only elevated section of the route was from Dahan Bridge to Minsheng Overpass in Banqiao. In the 1990s, as part of the expressway plans in Taiwan, the Special Route 1 corridor was selected to be upgraded to an expressway-grade Provincial Highway as PH 64. However, due to highway revolts from residents of Xinzhuang and central Wugu, the western portion of PH 64 was realigned to the present route, which bypassed the controversial areas by using the right-of-way near the levees and terminated at Taipei Port in Bali instead of Wugu Industrial Park. The road opened in stages, and was completed by late 2009. The section from Banqiao to Zhonghe opened in 2000, while the section from Banqiao to Bali opened in 2009. Just before the section from Banqiao to Bali opened, the completed expressway was used to host a “car-free” event. Bicyclists and pedestrians had exclusive use of the expressway, and some celebratory events took place to celebrate the completion of PH 64.
