In cities across the United States, an ambitious goal is gaining traction: Vision Zero, the strategy to eliminate all traffic fatalities and severe injuries. First implemented in Sweden in the 1990s, Vision Zero has already cut road deaths there by 50 percent from 2010 levels. Now, technology companies like Stop for Kids and Obvio.ai are trying to bring the results seen in Europe to U.S. streets with AI-powered camera systems designed to keep drivers honest, even when police aren’t around.Local ...