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BDifficulty 2/5

What do circular signs with a blue background and white pictogram generally express, without red prohibition borders or bars?

Correct answer

Obligation

An obligation, such as following the indicated direction or observing a signed minimum speed. A blue background alone is insufficient: stopping and parking prohibition signs also use blue, but with red elements. Always interpret the complete shape, colours and symbol.

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  • Caution

  • Obligation

  • Prohibition

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