HS2 has implemented seven of 14 recommendations made by the public sector spending watchdog, after it produced two reports warning about the timetable and complexity of the high-speed rail project.
The National Audit Office (NAO) produced a report in 2016 which found that HS2 Ltd had struggled to meet an overly ambitious timetable set for it by the Department for Transport, with the programme facing cost and schedule pressures. Phases 1, 2a and 2b of the project are expected to cost between £72bn and £98bn, based on 2019 prices.
A follow-up report in 2020 found that HS2 and the Department had underestimated the programme’s complexity and had not accounted for the level of uncertainty and risk in the programme.
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