How many kilometers is the new road from yinan county to Juxian?

The newly-built highway from yinan county to Juxian County is 57.532 kilometers long. According to relevant public information, the construction period of the project is 6 months, and it is planned to be completed by the end of 2023 10, with a total investment of about 460 million yuan. The total length of the project is 57.532km, and the design speed is 60km/h.