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BDifficulty 2/5

What does a fixed red light indicate when used as a barrier device on a carriageway?

Correct answer

The carriageway is completely closed to traffic.

The carriageway is completely closed to traffic. This refers to a steady red barrier light, not a flashing red traffic signal. The closure may result from a temporary situation; that does not permit passage while marked. Obey the barrier markings and officers’ instructions.

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  • It only advises caution and permits passage if no obstacles are seen.

  • It indicates a nearby crash without restricting passage.

  • The carriageway is completely closed to traffic.

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