What action defines Alexey Chugunnikov's 'Smart Crosswalk' ground illumination upon pedestrian entry?
Answer
The ground signage turns red the moment a pedestrian steps onto it
Alexey Chugunnikov's design includes integrated sensors that activate the ground signage to turn red specifically when a pedestrian steps onto the crossing area.

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The Story of Smart Crosswalk™ In-Roadway Warning Lights (2007)
Siemens developed an autonomous solution to increase safety on ...
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