The Signal and Telecommunication Department is headed by Chief Signal and Telecommunication Engineer (CSTE).
Signalling is vital to Railway Safety .To cope with the rising traffic density and to meet with better safety standards. Northern Railway is steadily modernizing its signalling systems. Route Relay Interlocking, Panel Interlocking, Colour Light and Automatic Block Signalling have been introduced on many routes. Safety aids like Track Circuiting and interlocking of level crossing gates and provision of telephones at manned level crossings had been increasingly adopted to further enhance safety in train operation.
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