Trigger Strategy is now Tentacles 102: Road Signs, Rapid Prototypes, and Productive Confusion
Apr 26, 2025
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Road Sign Removal Sparks Caution
- Removing a priority road sign created uncertainty, causing drivers to slow and pay attention in a tunnel with single-lane passage.
- This deliberate removal improved traffic flow by triggering "productive confusion" among drivers to negotiate passage more cooperatively.
Magic Roundabout’s Traffic Innovation
- The Magic Roundabout in Swindon UK uses multiple interlinked small roundabouts without traffic lights to improve traffic flow.
- Drivers must pay close attention and navigate carefully, which surprisingly results in faster and more efficient traffic movement.
McDonald Kitchen Chalk Prototype
- To design a fast-food kitchen, the McDonald brothers used chalk outlines on a basketball court to simulate kitchen stations.
- This physical prototyping allowed choreographed movement tests and quick iteration before building the real kitchen layout.