Mayor Zohran Mamdani on Tuesday unveiled “Vision Zero Reimagined,” a wide-ranging plan to eliminate traffic deaths within 10 years — including by boosting “pedestrian-only” zones across the city. The 105-page blueprint, however, offers few concrete details on the no-car zones, such as where they would be located or how much of the city would be turned into “pedestrian-priority districts.” “Vision Zero Reimagined puts forward the bold measures and practical fixes we need to make preventable tragedy no longer a part of everyday life in New York City,” Mamdani said. The plan also vaguely vows to institute 20 mph speed limits...