High-speed rail systems are found all over the globe. Japan’s bullet train[1] began operating in 1964. China will have 31,000 miles (50,000 kilometers) of high-speed track[2] by the end of 2025. The fastest train in Europe goes almost 200 mph (320 kph)[3]. Yet high-speed rail remains absent from most of the U.S.[4]
Stephen Mattingly[5], a ...