What is a “pedestrian crossing”:

1. A suspended bridge or a tunnel designated for roadway crossing by pedestrians.
2. Every place on the roadway in which pedestrians usually cross.
3. A place in which school children cross.
4. Correct answer: A roadway section that is designated, by marking or by traffic sign, to permit pedestrian to cross the road. .

WhyA pedestrian crossing is a section of the roadway set aside for crossing by markings or a sign. Bridges and tunnels are not crossings in the sense of the rules.