... Los Angeles, like cities nationwide, is transforming its streets. In July 2017 the city installed a “road diet” on a 0.8-mile stretch of Venice Boulevard in Mar Vista, reducing four lanes to two and adding bike lanes separated from traffic by parking buffers. The project is part of Mayor Eric Garcetti’s Vision Zero initiative, which aims to eliminate traffic fatalities in the city by 2025. Launched in 2015, Vision Zero is the most radical transformation of how people move through Los Angeles since the dawn of the freeway era 75 years ago. By almost any metric it’s been a...