Part 3/15:
Living in San Francisco, Tucker and Hamilton describe sidewalks as a constant source of frustration—only about three to four feet wide, crowded with pedestrians, dogs, trees, delivery robots, scooters, and other micromobility devices. They observe how the small footprint allocated to pedestrians contrasts sharply with vast expanses of space dedicated to parked and moving cars, which spend 95% of their time idle. This imbalance prompts a fundamental question: Should cities prioritize cars or people?