A pelican crossing
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Pedestrian crossings: Should we press button for green man?

4 September 2013 Last updated at 09:15 BST

Many of us use them every day to cross the road in towns and cities across the world.

But how many people press the button and wait for the green man to appear before crossing the road?

BBC News spoke to people in London to see how they behave at pedestrian crossings.

Video journalists: Neil Meads and Harry Low