HS2 Ltd has advised the Government the first phase of High Speed 2 to Birmingham could open five years later than planned in 2031, and the overall cost of the project could rise to £88billion. Phase 2b to Manchester and Leeds has also been pushed back, with completion now expected in 2040 - seven years later than previously scheduled. HS2's original plan was for a staged rollout from December 2026, starting with three trains per hour (tph) in each direction between Old Oak Common and Birmingham Curzon Street, rising to 10tph between Euston and Birmingham a year later.
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机译：HS2 Ltd已向政府建议，通往伯明翰的High Speed 2的第一阶段可能比原计划的2031年晚五年开放，该项目的总成本可能会增至880亿英镑。曼彻斯特和利兹的2b阶段也已推迟，现在预计将于2040年完成，比原计划晚了7年。 HS2的原始计划是从2026年12月开始分阶段推出，开始于Old Oak Common和Birmingham Curzon Street之间的每个方向每小时三列火车（tph），一年后，在Euston和Birmingham之间上升到10tph。
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