Switch, movable-point frog or split-point derail.
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Law
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CFR 49
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Transportation
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Other Regulations Relating to Transportation
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Federal Railroad Administration, Department of Transportation
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Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
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Interlocking
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Rules and Instructions
- Switch, movable-point frog or split-point derail.
Switch, movable-point frog, or split-point derail equipped with lock rod shall be maintained so that it can not be locked when the point is open three-eighths inch or more.
[49 FR 3385, Jan. 26, 1984]
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