|Length||99 km (62 mi)|
The different sections of the road have specific names in relation to the cardinal directions. For instance, the eastern portion of the expressway is named 上海环东一大道 (Huandong Avenue (No. 1), literally Eastern Ring No. 1 Avenue), the western portion of the expressway is named 上海环西一大道 (Huanxi Avenue (No. 1), literally Western Ring No. 1 Avenue), and so on.