is focusing on suspected manual bypassing of an automated signalling system that guides train movement — an action investigators believe sent a packed express train into a stationary freight train, three Indian Railways sources told Reuters.
Indian Railways, the fourth largest train network in the world, is a state monopoly run by the Railway Board. The board reports to the Railways Ministry. Indian Railways, the fourth largest train network in the world, is a state monopoly run by the Railway Board. REUTERS If the barrier was open, the automated signal system would not allow a train to go past the rail-road crossing, one retired Indian Railways official said. The official did not want to be identified due to the sensitivity of the crash investigation.
One of the three Indian Railways sources — all of whom had knowledge of the ongoing CRS probe — said initial investigation suggests the automatic electronic signalling system was “changed manually, for which the software has to be tampered with”. The crash happened when the Coromandel Express, heading to the southern city of Chennai from the eastern city of Kolkata, wrongly entered a side track of the station at a speed of 128 kmh, and rammed into a stationary iron ore freight train.
The interlocking system coordinates between the signal, track route and track occupancy, and ensures they all work in tandem to take a train safely through a station, Mr Mathur told reporters two days after the crash.
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