KAVACH - Traffic Collision Avoidance Systems (TCAS)

Recently, 2 passenger trains in Andhra Pradesh’s Vizianagaram district collided which costed lives of many people.

It is a cab signalling train control system with anti-collision features and is called as Kavach (armour).
Developed by – Indian Railways Research Designs and Standards Organisation (RDSO) which costs Rs. 50 lakh per kilometre.
Objective – To enhance safety of running trains by aiding loco pilots to avoid signal passing at danger, over-speeding and during inclement weather such as dense fog.
It deploys 3 components along the railway route.
RFID technology in tracks – It uses radio waves to automatically identify and read information from a distant wireless device without physical contact or a line of sight.
Locomotive components – The driver’s cabin is provided with RFID readers, computer, and brake interface equipment.
Radio infrastructure – These are the towers and modems which are installed at railway stations.

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