Sounds like a warning of what Americans would call a railroad crossing ahead...
well the advantages of a school crossing is that you can get to the other side. But the disadvantages is that some cars don't stop at all.
Not really. A railroad intersection would be an example of two lines intersecting. An example of two planes intersecting would be the ground and the side of a building or the ground and the railroad crossing sign post.
Crossing over ensures that there is another side.
The Book Freedom Crossing is about... crap piled on the side
on the side of the box: suergeon generals warning...
Stay out side for a while!
Pelican crossing: traffic lights for pedestrians and vehicles; button-operated.Puffin Crossing: pedestrian lights on near side of road; button-operated with curb-side detector.Toucan Crossing: for bicycles as well as pedestrians.For a good explanation of the difference between the two, see 'Related links' below.
crossing the line
pick it and put it into the side.
brake pad warning light
I have only heard them referred to as warning labels and disclaimers.