Signals, signs, and road orders
Shape and color classify the sign before the symbol
A sign's shape and colour tell you its category before you read the symbol.
What to watch for
The question shows or describes a sign's shape, colour, or border.
The rule
The rule explains exactly how to answer any question of this type — and why the obvious wrong answer fails.
See the rule →Common trap
Don't go straight to the icon — the shape and colour tell you what kind of sign it is.