Rotating cone tactile device

A rotating cone tactile device is a haptic device used at traffic light controlled pedestrian crossings in the United Kingdom.

It is used as a tactile signal for blind pedestrians to indicate that it is safe to cross the road.

[1] The idea for the devices originated at the University of Nottingham in the 1980s.

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Cone on the right hand side of the underside of a pelican crossing control box