Justice
How Timed Traffic Signals Can Be Bad for Pedestrians
Efforts to fight congestion by centralizing traffic lights could also make roads more dangerous for walkers
Sally Flocks is on a mission to slow drivers down.
Flocks is the president of PEDS, an Atlanta-based pedestrian rights organization. And she says one of the best ways to protect walkers is to keep drivers cruising at about 20 mph when they're in cities. Walkers are significantly more likely to survive an accident with a car at that speed. The odds of dying increase dramatically if a driver is speeding along at 30 or 40 mph.