Maps of Shanghai are bought and sold in many public places, such as railway stations, bus stations, airports, subways and light rails. Some supermarket chains can also be bought.
You need to go to Fuzhou Road Xinhua Bookstore and Shanghai Bookstore to buy thematic maps. Yishan Road/Zhongshan North Road Bookstore can be bought.
In addition, at the rest stop of the expressway, you can buy a driver-specific map.