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The Pelican Crossing was the original type of light controlled crossing, introduced in the 1960s. The pedestrian lights are situated on the far side of the road to the pedestrian. A Puffin crossing has the lights on the same side as the pedestrian; a Toucan crossing is a crossing for pedestrians and bicycles.
In most countries, lights for pedestrians use the image of a "green man" pictured walking, and a "red man" pictured stationary or a "stop hand" suggesting the hand gesture for stop. In parts of the United States (particularly New York City) these lamps may take the shape of "Walk"/"Don't Walk" messages, although pictograms are also seen in some regions. In most of the US, the difference is more often related to the age of the intersection--for decades, only words were used for the signals. The pictograms have only started being used in the last 20-30 years.
Pelican type crossings sometimes have further non-visual indication that it is safe to cross, such as a beep, vibrating button or tactile rotating cone in order to assist blind or partially sighted pedestrians.