The MoJournal Planes, Supertrains, and Automobiles Futurists once thought that high-speed monorails could replace cars.
Individuals take to the air in scooters.
Not far above the ground, jet-propelled monorail trains rush the daily commuter traffic to its destinations. Now it's 1998 and the flying scooters didn't happen and our clunky airplanes still need runways. D.C. The trains will peak at 150 mph, cutting the current nine-hour trek to less than six. The Japanese bullet trains and the German Intercity Express have also caught up to the TGV's speed. He had the fever back in 1991 when, in his book Supertrains, he confidently predicted that they would soon be crisscrossing the landscape.