Modern Problems Forecasted by an Adolescent 100 Years Ago

Back in 1901, a clever 14 year old forecasted our modern skyscrapers and traffic congestion problems. He suggested that we'd have stacked air ships to prevent gridlock. Little did he know that the real way to commuting bliss was to take large military tactical vehicle Hum-Vee form factors and adapt them to urban use and otherwise populate our limited highway real estate with the largest possible vehicles for our solo commutes. He was just 14, how could he have known?