Jaya verma sinha, a senior railway official, said the preliminary investigations revealed that a signal was given to the high speed coromandel express to run on the main track line, but the signal later changed, and the train instead entered an adjacent loop line where it rammed into a freight loaded with iron ore. At around 7 p.m. local time, the coromandel express passenger train approached from the north at a speed of about 80 miles per hour. a second passenger train, the yesvantpur howrah superfast.
Faulty signalling due to two botched repair works, including one in 2018 and the other hours before the accident, led to the coromandel express being sent on a collision course with a goods train. Railway signaling system, how does railway signaling system works, signaling system, after coromandel express train accident signaling system, importance of. The railways said the coromandel express was “not over speeding” and received the green signal to enter a loop line on which a goods train was stationary, virtually clearing its driver of any. The safe running of trains takes place in accordance with a 'sound logic' that is fed into the electronic 'interlocking system'. the various components of the system work in tandem, and if any one of them becomes non compliant with the overall sound logic, the train is supposed to be brought to a halt. what happened with the coromandel express is unusual.
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