1. This is because of the high cost of air transportation, including fuel, airport use and maintenance. The operating cost of high-speed rail is relatively low.
In addition, long-distance flight needs longer time and more service facilities, which will also lead to the increase of air fares. High-speed rail, that is, high-speed train, is a kind of railway vehicle that runs on a specific railway track and has high-speed running ability. Compared with traditional railway trains, high-speed rail has higher speed and more advanced technology.