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Indian Railways: Signalling
In the quest to enhance safety and efficiency in train operations, Indian Railways has embarked on a significant modernization journey, particularly in the domain of signalling systems. Over the past decade, Indian Railways has progressively replaced the outdated ... Multi Cabin Mechanical Signalling System with Modern Signalling Systems. These include Panel Interlocking (PI), Route Relay Interlocking (RRI), and Electronic Interlocking (EI), complemented by Multi Aspect Colour Light Signals (MACLS). Track Circuiting and Block Proving by Axle Counter (BPAC): Track circuiting, a vital component for ensuring track occupation verification, has also seen extensive implementation. By March 31, 2024, track circuiting was completed at about 35,743 locations across various routes, covering 99.39% of the 6,597 stations. Additionally, Block Proving by Axle Counter (BPAC) has been adopted to automatically verify the complete arrival of trains at stations, enhancing safety and improving mobility. As of the same date, BPAC was implemented on 6,058 block sections. Intermediate and Automatic Block Signalling: Intermediate Block Signalling (IBS) has proven instrumental in enhancing line capacity without incurring extra recurring revenue expenses. By March 31, 2024, IBS had been implemented in 756 block sections. Similarly, Automatic Block Signalling, which augments line capacity and reduces headway on high-density routes, has been provided on 4,431 route kms. Read more