Chongqing is a city in China.
Like all big cities in China, it's a real effort to get out of town. The standard is to take a cheap bus to a small city then continue hitchhiking. Habakuk12321 took a bus to Dazu . The region there is great, the villages small and there is almost no tourism. It's the way to Chengdu.
North/South/West/East towards Yichang
Chongqing is a megalopolis. Its difficult to hitchhike into the city center. There are buses to the center, in this area exist a lightrail to find the way to the main places, the bus and the port.