explaining_.how on Instagram: "This crossing avoids paint, signs, and flashing lights by using human behavior as the safety system. The brick is not real and is made from light foam but looks heavy and risky to drivers. People react faster to visible danger than to road markings. When drivers see a pedestrian holding what looks like a brick, they slow down, make eye contact, and brake right away. Cities that tested this design recorded higher stopping rates and better pedestrian visibility, espe