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High Speed Two

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High Speed Two
NameHigh Speed Two
TypeHigh-speed rail
StatusUnder construction
LocaleUnited Kingdom
StartLondon
EndManchester / Leeds
OwnerDepartment for Transport
OperatorHS2 Ltd (planned)
Linelength335 km (phases 1 and 2a planned)
GaugeStandard gauge
Electrification25 kV AC overhead

High Speed Two High Speed Two is a major high-speed rail programme in the United Kingdom intended to connect London with cities in Central England and Northern England, including Birmingham, Manchester, and Leeds. The programme aims to increase capacity on the West Coast Main Line, reduce journey times between city pairs such as London EustonBirmingham New Street and LondonManchester Piccadilly, and integrate with existing networks including West Coast Main Line and East Coast Main Line. Initiated by policy documents and led by a public body, the project has been subject to political debate, legal review, and evolving scope.

Background and planning

The scheme emerged from studies by organisations such as the Department for Transport, the National Audit Office, and consultancy reports linked to the Transport Act 2000. Early proposals referenced international precedents like TGV services in France and Shinkansen projects in Japan. Key policy milestones included white papers and strategic plans debated within the House of Commons and overseen by ministers from administrations of Tony Blair and later David Cameron and Boris Johnson. Planning involved statutory processes under the Planning Act 2008 and engagement with bodies such as the Independent Reviewer of Railways and the Office of Rail and Road.

Route and phases

The project was divided into phases: Phase 1 from London Euston to a hub at Birmingham; Phase 2 split into eastern and western legs to Leeds and Manchester respectively; and intermediate segments such as Phase 2a linking Birmingham to Crewe. Route decisions considered interchange points at existing hubs like Birmingham Curzon Street, Old Oak Common, and Manchester Piccadilly. Alignment choices involved interfaces with corridors used by West Coast Main Line, Midland Main Line, and freight lines serving hubs including Bristol Temple Meads and Doncaster.

Construction and engineering

Construction contracts were awarded to consortia including international firms with experience from projects like HS1 and continental high-speed lines. Civil engineering works encompass tunnels under areas such as Chiltern Hills, viaducts crossing the River Trent and cuttings near Birmingham Airport. Complex works include tunnelling methods used on projects such as the Channel Tunnel Rail Link and engineering solutions comparable to those on the Gotthard Base Tunnel. Rolling stock procurement involves specifications akin to Eurostar and ICE high-speed fleets, with power supply and signalling coordinated with standards applied on the European Rail Traffic Management System pilot projects.

Stations and interchanges

New and upgraded stations form a core part, with flagship termini like Euston modernisation proposals, a new Birmingham Curzon Street terminus, and expanded facilities at Old Oak Common designed to interchange with Elizabeth line and conventional services at hubs such as London Paddington. Northern termini include planned redevelopment at Manchester Piccadilly and proposals affecting Leeds railway station. Station planning required consultation with local authorities such as Westminster City Council, Birmingham City Council, and regional transport bodies including Transport for London and Transport for Greater Manchester.

Operations and services

Services are planned to be operated under franchises or contracts involving operators active on corridors like the West Coast Main Line and networks served by companies such as Avanti West Coast and historical operators like Virgin Trains. Timetabling intends to deliver reduced journey times comparable to intercity services on TGV routes and to accommodate freight paths used on networks including the North TransPennine corridor. Integration with legacy signalling overseen by the Office of Rail and Road and interoperability requirements reference standards applied by organisations such as the International Union of Railways.

Environmental and community impact

Environmental assessments addressed habitats protected under regulations related to the Wildlife and Countryside Act 1981 and sites designated as Sites of Special Scientific Interest and Special Areas of Conservation. Mitigation measures include reforestation, noise barriers, and engineering approaches informed by cases like the M25 widening controversies and urban schemes such as the Crossrail environmental programmes. Community engagement has involved parish councils, residents' groups, and stakeholders such as National Trust and Campaign to Protect Rural England, while legal challenges have been brought in venues including the High Court.

Cost, funding and governance

Initial cost estimates were scrutinised by the National Audit Office and debated in the House of Commons Treasury Committee. Funding mechanisms combined public capital allocations from chancellors such as Chancellor of the Exchequer incumbents with potential private investment structures resembling public–private partnerships used on projects like Crossrail. Governance has been administered through a delivery body established by statute, with oversight involving ministers in the Department for Transport and accountability to parliamentary select committees and agencies such as the Infrastructure and Projects Authority.

Category:Rail transport in the United Kingdom