Total Cost of Ownership of Rail Signalling Systems

15 December 2010 by Invensys Rail

Lifecycle costs are a well understood concept in networked infrastructure assets, for example, in utilities and telecoms. In the rail industry the concept is less widespread but no less useful a tool to inform resource allocation decisions or assess the relative merits of different rail signalling technologies across the whole asset lifecycle. Cost is not the only factor in implementing a signalling system, but it is an area that interests all rail infrastructure operators.

Invensys set out to build a total cost of ownership (TCO) model to quantify the cost of various lifecycle stages from scheme design through to implementation, operation and maintenance, and populated the model with real-life data provided by rail infrastructure operators from Europe, US and Asia Pacific.

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