What happens if you turn off the traffic lights?

When Amsterdam removed signals from a busy junction, it made journeys faster and interactions more pleasant. Now the approach is being copied across the cityOn a foggy Monday morning in May 2016, 14 Amsterdam officials, engineers and civil servants gathered nervously at Alexanderplein – a busy intersection near the city centre with three tramlines – where many people were walking, driving, and, as in any Dutch city, riding bicycles. With a flip of a switch, the traffic controls were