The reason why Jiangmen Zhongyang Expressway doesn't charge.

The reason why Jiangmen Zhongyang Expressway does not charge is because the traffic pressure is not great. Because the traffic pressure on the section of Jiangmen Zhongyang Expressway is not great, there are relatively few vehicles, and the construction and maintenance costs of the highway are low, the reason why Jiangmen Zhongyang Expressway does not charge is that the traffic pressure is not great. Jiangmen Zhongyang Expressway refers to a expressway connecting Jiangmen City and Yangjiang City, which is a part of the National expressway Network.