That this will adversely affect local flights between the two destinations is certain. The question not yet resolved is how strong an effect that will be.
China Daily reports that the railway will be running before the end of this year.
The railways of China are being revolutionized. China will build 42 high-speed passenger rail lines with a total length of 13,000 kilometers in the coming three years. Our illustration shows the Wuhan railway in the final stages of construction.