What do yellow-red signs warn a train about?

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Prepare for the Canadian National Railroad Exam. Study with flashcards and multiple choice questions, each one offering hints and explanations. Ace your exam!

Multiple Choice

What do yellow-red signs warn a train about?

Explanation:
Yellow-red signs target temporary work zones on the track. They signal that planned maintenance or construction limits are in effect ahead, so you should be prepared to stop or proceed under restricted conditions and follow any flagger or dispatcher instructions. This is a caution about a work area, not a direct stop sign or an end of authority marker, nor a junction warning, which is why it’s the best choice here.

Yellow-red signs target temporary work zones on the track. They signal that planned maintenance or construction limits are in effect ahead, so you should be prepared to stop or proceed under restricted conditions and follow any flagger or dispatcher instructions. This is a caution about a work area, not a direct stop sign or an end of authority marker, nor a junction warning, which is why it’s the best choice here.

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