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ADI Part 1Sign in

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ADI Part 1

Practice

Signs, control and mechanical

1. In Great Britain, a circular traffic sign with a red ring usually gives which kind of message?

Signs, control and mechanical

2. What does a blue circular disc sign usually indicate on British roads?

Signs, control and mechanical

3. What is the usual meaning of an upright triangular sign with a red border?

Signs, control and mechanical

4. Which British traffic sign uses an octagonal shape so it can be recognised from behind?