puffin crossing
Concise Oxford English Dictionary © 2008 Oxford University Press:
puffin crossing
▶noun (in the UK) a pedestrian crossing with traffic lights which change to green again only when no more pedestrians are detected on the crossing by infrared detectors and mats.
– origin 1990s: puffin from p(edestrian) u(ser) f(riendly) in(telligent), respelled by analogy with pelican crossing.
'puffin crossing' also found in these Oxford entries:
