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At a level crossing, what do two alternately flashing red lights indicate?

Correct answer

Passage temporarily prohibited.

A flashing red light, or two alternately flashing red lights on a traffic signal at the start of a level crossing, temporarily prohibit the passage of vehicles. This type of signal can also be found at the entrance to a moveable bridge or ferry pontoon.

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  • Passage temporarily prohibited.

  • Passage allowed with priority.

  • Passage allowed without priority.

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