Price shocks are the predictor of transit mode changes. 1973 oil crisis was one such example: https://www.fastcompany.com/90730281/how-the-1970s-oil-crisis-helped-copenhagen-become-a-cycling-paradise
By Jacob Mason, ITDP The 1973 oil crisis caused gasoline prices to skyrocket and supplies to dwindle. Gasoline rationing led to long lines at gas stations and paralyzed car movement. Two countries—the United States and the Netherlands—responded to the crisis in nearly opposite ways. The Netherlands began a long-term policy shift away from a car-based