What is electronic interlocking, the change in which is root cause of Odisha train tragedy | Explained

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Key Points

As the Odisha train tragedy triggered a debate over the Kavach anti-collision system, Railway Minister Ashwini Vaishnaw insisted that the accident had nothing to do with the much-hyped mechanism..

The root cause of the triple train disaster was a glitch in the electronic interlocking system, said Vaishnaw on Sunday...

Interlocking is an integral part of railway signalling, through which functions in a yard are controlled in a manner that ensures safe passage of the train through controlled areas..

Railway signalling has come a long way from un-interlocked signalling systems, mechanical and electro-mechanical interlocking to the present day modern signalling...

The railways' data also revealed that - Panel Interlocking/Route Relay Interlocking/Electronic Interlocking (PI/RRI/EI) along with Multiple Aspect Colour Light Signals were provided at 6,396 Stations out of 6,506 Stations on BG Routes, upto March 31, 2023," the sources added...

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