Carbon in Rail Signalling: How to save thousands of tonnes of Carbon

What is the Carbon Footprint of London Underground’s Signalling Systems? Could TfL reduce its Carbon Footprint by adopting particular types of signalling systems over others? How does the Jubilee & Northern Lines (TBTC) signalling carbon footprint compare to the new Four Lines Modernisation (4LM) signalling system (CBTC) deployed on the District, Circle, H&C, Metropolitan Lines?

Aditya Gurtu (MEng MPhil CEng MIET) is a Senior Engineer within TfL’s Environment & Sustainability Engineering team, leading on Carbon reduction.

Aditya spent the last decade working on Transport for London railway projects across the lifecycle. This includes multi-disciplinary depot upgrade delivery and as a Signalling Project Engineer managing the design, delivery and integration of the new Thales CBTC Signalling System across key areas of the District, Circle, Metropolitan, H&C tube lines (Four Lines Modernisation). He was the Carbon Lead for this railway signalling programme.

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