Kolkata Metro Railway has successfully introduced the TETRA (Terrestrial Trunked Radio) communication system on the Blue Line from Belgachia to Rabindra Sarovar and the Yellow Line from Noapara to Jai Hind Bimanbandar underground sections, a Metro spokesperson announced.
The system was inaugurated on August 26 by Metro Railway General Manager P Uday Kumar Reddy at Baranagar station.
The TETRA system, supplied and implemented by Motorola Solutions Pvt. Ltd., includes fixed stations, vehicle mounted units, and handheld radios. It ensures strong coverage across underground tunnels, elevated viaducts, and surface stretches.
According to officials, the new system greatly improves the Metro’s ability to respond quickly to emergencies inside tunnels, ensuring the safety of passengers. The newly introduced network has also been integrated with the existing systems on the Purple Line from Joka to Majerhat and the Orange Line from New Garia to Beleghata. This creates a unified communication platform across all four operational Metro lines.
This integration allows seamless and end to end connectivity throughout the Kolkata Metro network, providing a single and reliable platform for train operations, emergency response, and system monitoring.
Reddy said, “With large sections of the Blue and Yellow Lines running through underground tunnels, uninterrupted and secure communication is of paramount importance. The commissioning and integration of the advanced TETRA system is a technological milestone that equips Metro Railway with a reliable platform to ensure smoother operations and enhanced passenger safety.”
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