Interlocking, manual.
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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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Definitions
- Interlocking, manual.
An arrangement of signals and signal appliances operated from an interlocking machine and so interconnected by means of mechanical and/or electric locking that their movements must succeed each other in proper sequence, train movements over all routes being governed by signal indication.
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