Why high-speed rail may not work the best in the U.S.

Not many U.S. cities have enough travel between them and are at the correct distance to support an investment in high-speed rail. High-speed rail systems are found all over the globe. Japan’s bullet train began operating in 1964. China will have 31,000 miles (50,000 kilometers) of high-speed track by the end of 2025. The fastest train in Europe goes almost 200 mph (320 kph). Yet high-speed rail remains absent from most of the U.S.