As we all know, the train as a transportation mode was born in the United Kingdom with Japan as a progenitor of high-speed rail (HSR), followed by many other countries such as Germany, France, Canada, and China in recent decades. However, this epoch-making mode of transportation is still not adopted in such a country with top-tier technology innovation power as the United States. Especially when tracing back to booming railway history in the United States, I wonder why the construction of HSR in the United States cannot be in full swing like China.