1. Low overall population density 2. Newer cities designed when cars were already king 3. Redesign of cities with the car in mind, due to fierce lobbying by c

1. Low overall population density 2. Newer cities designed when cars were already king 3. Redesign of cities with the car in mind, due to fierce lobbying by car industry. 4. Hidden subsidies for cars, like untaxed carbon, untaxed smog leading to respiratory illnesses in cities, and of course free ubiquitous parking in so many areas. 5. Continuing lack of innovation, policy hold-ups, partisanship leading to gridlock, not to mention a public disinterest in using public transit.