We don’t often think of congested alleys but in Korea they’re some of the busiest intersections where over 40% of accidents occur. Like a traffic light, the AISA is a 3 or 4 way signal. It’s made of titanium alloy with a round shape to disperse direct forces. Small camera based sensors detect whenever foot, bike, or motor traffic approach and warns cross traffic with flashing LEDS. The color indicates the degree of danger and the flashing rhythm denotes speed.
Designer: Jeongseon Park