puffin crossing

World English Dictionary
puffin crossing
a UK pedestrian road crossing with traffic lights signalling red to stop the traffic flow when pedestrians are seen on the crossing by infrared detectors. The green signal reappears when no pedestrians are seen on the crossing
[C20: p(edestrian) u(ser) f(riendly) in(telligent) crossing]

Collins English Dictionary - Complete & Unabridged 10th Edition
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