Railway Signalling Principles of Interlocking and Standards

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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