Automatic Train Protection System Kavach 4.0 Commissioned in Gujarat’s Bajwa (Vadodara)–Ahmedabad Section

In line with the expansion of Kavach, now Kavach 4.0 has been commissioned in Gujarat’s first Bajwa(Vadodara)–Ahmedabad section(96-km).

Kavach 4.0 Commissioning
- Location: Commissioned on Gujarat’s Bajwa (Vadodara)–Ahmedabad section, covering 96 km and 17 stations.
- Infrastructure: Includes 23 towers, 20 Kavach huts/buildings, 192 km of optical fibre cable, and 2,872 RFID tags.
- First Train: The maiden Kavach-enabled service was the Sankalp Fast Passenger (59549/59550), operated with WAP-7 locomotives and 11 LHB coaches.

Safety Features
- Prevents Signal Passed at Danger (SPAD) incidents.
- Enforces automatic speed control (sectional speed, loop line, permanent restrictions).
- Provides protection against head-on and rear-end collisions.
- Includes SOS facility and automatic whistling at level crossings.

Technological Advancements in Version 4.0
- Improved location accuracy for precise train positioning.
- Better signal aspect information in complex station yards.
- Station-to-station interface via optical fibre for faster communication.
- Direct integration with electronic interlocking systems, ensuring seamless coordination with existing signalling.
- Certified to Safety Integrity Level–4 (SIL-4), one of the highest global safety standards.

Broader Impact
- Kavach has already been implemented on over 2,200 route kilometres across India.
- Represents a Made-in-India technological leap, enhancing passenger safety and operational reliability.
- Reinforces Indian Railways’ vision of a safer, smarter, and indigenous rail network.

👉 In short: Kavach 4.0 is India’s most advanced train protection system yet, combining indigenous innovation with world-class safety standards, now operational in Gujarat and poised for wider deployment.