With growing cases of derailment in the past few months, the South Eastern Railway (SER), in a move to increase capacity and ensure the safer running of trains, has replaced the route relay interlocking (RRI) system at Kharagpur with Asia’s largest solid state interlocking (SSI) system.
This is in stark contrast to the vintage RRI system which only allowed operators to set a mere 423 routes.
Speaking to the Times of India, Principal chief operations manager of SER, Suchitto Kumar Das said, “This will be Asia’s largest SSI system. The RRI system is of pre-1980 vintage and has crossed its codal-life.”
The cost of installing the new system is a whopping Rs 39 crore. This new technology will allow the path of a train to be set in a way that it has to cross several tracks. Read More…