How much did it cost to rename the London Overground lines? Full expense of new line names revealed
Briefly

The rebranding process for the London Overground is expected to cost TfL approximately £6.3 million, significantly up from the initial £4 million estimations.
TfL disclosed a detailed breakdown of the £6.3 million budget, showing allocations for customer information, design, digital systems, fleet signage, and community engagement.
Read at Time Out London
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