train accident Odisha electronic interlocking system railways

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The story so far:An electronic track management system used by the railways has become the focus of investigations after last weeks horrific train crash involving two express trains and a goods train in Odishas Balasore district that left 275 passengers dead and more than 1,000 injured...

On Sunday, the Railway Board recommended a CBI investigation as it identified signalling interference as the main cause of the accident in its preliminary probe..

The KAVACH is an indigenously developed Automatic Train Protection (ATP) system by the Research Design and Standards Organisation (RDSO) in collaboration with the Indian industry.It is meant to provide protection by preventing trains from passing Red signals and thereby avoid collision...

The system is an arrangement of signals and points, which may be inter-connected mechanically or electrically or both, which operate so that a train can move from one track or junction to another safely, without coming in the way of another train.. Electronic interlocking (EI) is an advanced signalling, computer-based system that uses electronic components to manage the movement of trains and the configuration of tracks..

The impact of the crash was such that the engine of the Coromandel Express and the first few coaches jumped the tracks, toppled and hit the last two coaches of the Yeshwantpur-Howrah train heading in the opposite direction on the Down Main Line, running at a speed of 126 kmph...

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Railways minister Ashwini Vaishnaw said that a change in the electronic interlocking and the setting of the point machine caused the accident involving the Shalimar Chennai Central Coromandel Express, in which 275 people died.

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