If you want to build a subway, you need to have enough city size, population and traffic demand. In contrast, light rail and trams are more suitable for running in small and medium-sized cities. In addition, the construction of subway needs a lot of capital and technical support, which is also a factor to be considered.
Therefore, when there will be a subway in Chifeng, many factors need to be considered, including city size, economic development, government planning, capital investment and so on. Due to the uncertainty of these factors, it is impossible to give an accurate prediction. If you are interested in the subway planning in Chifeng, it is recommended to consult the local government or relevant departments for the latest and accurate information.