What is the correct implication of Restricted Speed inside interlocking in NORAC Rule 80?

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Study for the NORAC 100 Test with detailed questions and explanations. Utilize flashcards and multiple choice questions to ensure comprehensive preparation. Get ready to excel in your exam!

Multiple Choice

What is the correct implication of Restricted Speed inside interlocking in NORAC Rule 80?

Explanation:
Inside interlocking limits, Restricted Speed is defined as a maximum of 15 mph. This lower speed gives the engineer enough time to observe signal indications and switch positions and to stop within the distance visible, which is crucial in the tightly controlled and potentially conflicting movements that interlockings create. Any higher speed would risk passing a stop signal or failing to stop for an obstruction or misaligned switch, something the interlocking environment is specifically designed to prevent. The other numbers don’t align with NORAC Rule 80’s requirement for interlocking operations, so 15 mph is the correct limit here.

Inside interlocking limits, Restricted Speed is defined as a maximum of 15 mph. This lower speed gives the engineer enough time to observe signal indications and switch positions and to stop within the distance visible, which is crucial in the tightly controlled and potentially conflicting movements that interlockings create. Any higher speed would risk passing a stop signal or failing to stop for an obstruction or misaligned switch, something the interlocking environment is specifically designed to prevent. The other numbers don’t align with NORAC Rule 80’s requirement for interlocking operations, so 15 mph is the correct limit here.

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