Why hasn't Guizhou Xingren Railway been built yet?

Since the initial planning of Xingyong-Cheng 'an railway, our bureau has actively declared the line crossing Xingren to the superior and set up a station in Xingren. However, after many field visits and meetings by experts, the current route has been determined. At the same time, our bureau actively included the Guixing Railway construction project in the "14th Five-Year Plan" and submitted it to the superior for approval in advance, ending the history of Xingren Railway impassability.