How the U.S. Can Sustainably Become the World's Top Economy Again

"Much of the growth China has experienced is through Chinese urban centers becoming more connected than ever due to China’s investments in high-speed rail (HSR). Since 2008, China has built 6,800 miles of track for their HSR systems, allowing, for example, the 820-mile distance between Shanghai and Beijing – roughly the same distance as between Chicago and New York City -- to be covered in just five hours, for less than the cost of a plane ticket. China is also connecting provincial communities in the Western region to major urban centers, giving rural residents easier access to urban jobs."