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What is a “position of safety”?
What is the minimum position of safety a line with a maximum speed of 100 mph?
Where is the safest place walk to when on or near the line, and where would you find details published?
What does a limited clearance warning sign mean?
What does a "No Refuges" sign mean?
When would you move out of a position of safety?
Where would you find Track Circuit Operating Clips stored and what do they do?
How would you stop a train in an emergency?
