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High Speed 3 (HS3) is a proposed East-West rail link in northern England, connecting Liverpool to Hull via Manchester and Leeds. The concept is loose; the House of Lords Economic Affairs Committee (March 2015) stated there was no firm definition of the route implied by HS3: ==History== A plan to improve rail journey times in northern England, the Northern Hub, was developed from a 2009 scheme to improve the rail network around Manchester.〔See the article Northern Hub〕 Schemes to improve the Leeds-Manchester linespeed by 2014 were included in Network Rail's CP4 improvements, with an aim to reduce Manchester-Leeds journey times from 54 to 40 minutes. In 2011 the approximately £290 million electrification of the Transpennine Manchester Leeds line was given funding. Work started on the electrification in 2013, with full electrification between Manchester, Leeds and York expected by 2018. In June 2014, at a speech given at the Manchester Museum of Science and Industry, the incumbent Chancellor of the Exchequer, George Osborne proposed a high speed rail link between Liverpool and Newcastle/Sheffield/Hull. The line would utilise the existing route between Liverpool and Newcastle/Hull and a new route from to Sheffield will follow the same route to Manchester Victoria and then a new line from Victoria to Sheffield, with additional tunnels and other infrastructure. Osborne argued that the northern cities' influence was comparatively less than London's and that the link would promote economies of agglomeration. Osborne suggested the line should be considered as part of a review of the second phase of High Speed 2.〔 Initial estimates suggested a rail line with a line speed, and Leeds-Manchester journey times reduced to 30 minutes,〔 Osborne estimated the cost to be less per mile than that of HS2, giving a cost of under £6 billion. Initial responses to the proposal were mixed: Jeremy Acklam of the Institution of Engineering and Technology (IET) suggested that plans should look at connecting other northern cities such as Liverpool, and potentially northeast England via York;〔 commentators noted that the proposal could be viewed as an attempt to gain political support in the north of England in the run up to the 2015 general election:〔〔 the Institute of Economic Affairs characterised the proposal as a ''"headline grabbing vanity project designed to attract votes"''; the British Chambers of Commerce, Confederation of British Industry and others were cautiously positive about the proposal, but emphasised the need to deliver on existing smaller scale schemes. On 5 August 2014, an alliance of six city councils - Leeds, Liverpool, Hull, Manchester, Newcastle upon Tyne and Sheffield - unveiled an initial regional transport plan linking their cities called 'One North'. This plan incorporated a new trans-Pennine high speed rail link connecting to the northern branches of HS2 at Manchester and Leeds (30min journey time), together with other regional rail developments, and the bringing forward of the construction of the northern part of HS2, as part of a regional transport plan including other road, intermodal port rail freight improvements. The estimate cost of the high speed Manchester-Leeds rail link was circa over £5bn, with a proposed completion date of 2030; the entire project was costed at £10-15 billion. George Osborne attended the project launch, and provided his backing for the project. A report ''Rebalancing Britain'' published by High Speed Two Limited in late 2014 also acknowledged the need for improved east-west transportation links in northern England, and recommended the progressing of the schemes in the 'One North' report. On 20 March 2015 the Department of Transport published plans for transport infrastructure improvements in the north of England, including proposals by the ''Transport for the North'' (TfN, or TransNorth) working group; the TransNorth report proposed a number of options for improved rail links between Liverpool, Manchester, Leeds, Sheffield, Newcastle and Hull with line speeds up to . The proposals included new build routes between the major northern cities, with cost estimates from £5 to 19 billion, with estimated journey times of one half to two thirds of current routes; alternative upgrades of existing routes were costed in the £1 to 7 billion range, and had lesser journey time reductions, of the order of 10-15 minutes; the proposals were in addition to existing High Speed 2 route options for Liverpool and Sheffield-Leeds. The development options were planned for Network Rail Control Period 6 (2019-24). In November 2015 Transport for the North (TfN) proposed a four-track trans-Pennine railway line that would link with the HS2 line to London, and a new Liverpool-Manchester airport-Manchester railway line also linked to HS2.〔http://www.ft.com/cms/s/0/8ac1e8d2-8a0e-11e5-90de-f44762bf9896.html#axzz3rowUsmVr〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「High Speed 3」の詳細全文を読む スポンサード リンク
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