Mumbai's EMU trains get AI-powered safety upgrades with SILAS 2.0

Central Railway has upgraded its Signal Location Announcement System (SILAS) in Mumbai’s EMU trains. The new features aim to improve safety across one of the world’s busiest suburban networks. Over 2,300 trains run daily, with signals often spaced just 400-500 meters apart. SILAS now works as an electronic co-pilot for train drivers, using GPS to track live locations. Before each trip, the Train Manager selects the correct route, loading pre-recorded audio alerts, signal positions, and GPS coordinates for the journey.

The system announces upcoming halt stations twice—500 meters and again 250 meters before arrival. For example, passengers and drivers hear alerts like 'Next halt: Thane'. Signal warnings are also given in advance, with the signal number and position called out at 350 meters and 250 meters before approach.

When a train passes a 'Yellow' signal, SILAS repeatedly warns, 'Be careful, next signal is Red', until a Green or Double Yellow signal appears. It also monitors speed at critical points, such as platform entries, yellow signals, and neutral sections. This real-time tracking helps analyse driving behaviour and reduces risks.

The upgrade supports Central Railway’s push for 'Zero Signal Passed at Danger' (SPAD) incidents in suburban operations. By providing constant audio updates, SILAS acts as an extra layer of safety for motormen navigating the dense network. The enhanced SILAS system now offers continuous audio guidance on signals and stops. Its GPS-based alerts and speed monitoring are designed to prevent errors in Mumbai’s high-frequency train services. The technology forms part of broader efforts to eliminate SPAD incidents and improve operational safety.