About The seven categories of traffic signs (appendix 1): which statement is correct?
- Command signs (round, blue) are a separate category from category C (round, red border).
- A traffic sign with a command or prohibition is a strong recommendation, not a hard requirement.
- The overtaking-ban sign (F1) belongs to category C, because it is a round sign with a red border like the other prohibition signs.
- The priority-road sign (B1) is a triangle, just like a warning sign.
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Correct answer: Command signs (round, blue) are a separate category from category C (round, red border).
Command signs (round, blue) are a separate category from category C (round, red border). Round only tells you 'command or prohibition', not which of the two
Why learners get this wrong: A traffic sign with a command or prohibition is a strong recommendation, not a hard requirement.