HS2 speeds could be cut as government seeks to rein in spiralling costs

"Ministers are expected to instruct HS2 Ltd to assess the feasibility of running trains below the originally planned top speed of 360km/h on the line between London and Birmingham, a move that could save billions but would dilute one of the scheme's defining features."

"HS2's total cost is now expected to exceed £100 billion in today's prices, with the completion date for the initial London-Birmingham phase likely to slip beyond the current 2033 target."

"Lowering the initial operating speed could simplify testing requirements, reduce engineering complexity and accelerate delivery, albeit at the expense of headline journey time."

The government is evaluating the feasibility of lowering HS2 train speeds from 360km/h to contain costs and mitigate delays. This proposal is part of a broader review led by Transport Secretary Heidi Alexander, aimed at addressing significant cost overruns and delays. HS2's total cost is projected to exceed £100 billion, with completion likely beyond the 2033 target. A revised timetable and budget are being developed, but publication is delayed. Lowering speeds could simplify testing and reduce complexity, though it may impact journey times.

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