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Introduction of British Railway Signalling Essentials of Interlocking 1. The essentials of safe and efficient signalling system are: 2. The concentration of control of points and signals in a signal box. 3.The interlocking of points and signals. 4. Electric/telegraphic communication between adjacent signal boxes. 5. The block signalling system and the regulations for its operation. […]
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Railway Signalling Principles of Interlocking and Standards Interlocking: Means an arrangement of signals, points, and other appliances, operated from a panel or from a lever frame, so interconnected by mechanical locking or electrical locking or both that their operation must take place in the proper sequence to ensure safety. Essentials of Interlocking * It shall […]
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