High Speed 2 Railway Line
Frank Dobson: To ask the Secretary of State for Transport what the original estimate was of the cost of the High Speed 2/High Speed 1 link single bore tunnel from Old Oak Common to Primrose Hill; and what the most recent estimate is. [164749]
Mr Simon Burns: HS2 Ltd advises that the original January 2012 estimate for the cost of the single bore tunnel was £330 million. Their current estimate for the tunnel is £290 million. The revised estimate reflects a more detailed understanding of the design and cost of the tunnelling.
Frank Dobson: To ask the Secretary of State for Transport what the original estimate was of the cost of the High Speed 2/High Speed 1 link works above ground from the Primrose Hill portal to connect with High Speed 1; and what the most recent estimate is. [164750]
Mr Simon Burns: HS2 Ltd advises that the original January 2012 estimate for the cost of the High Speed 2/High Speed 1 link works above ground from the Primrose Hill portal to connect with High Speed 1 was £170 million. Their current estimate for the works above ground is £300 million.
The increased cost for the current estimate of the surface element is driven by a more detailed understanding of the implications of the route, for example the need to widen structures on the route.
Frank Dobson: To ask the Secretary of State for Transport what the most recent estimate is of the cost of the January 2012 proposals for High Speed 2 at Euston. [164751]
Mr Simon Burns: I refer the right hon. Member to my answer of 14 March 2013, Official Report,columns 281-2W, to the hon. Member for Garston and Halewood (Maria Eagle).
High Speed 2 Railway Line
Jonathan Edwards: To ask the Secretary of State for Transport if he will publish the revised cost-to-benefit ratio analysis of his revised costings for the HS2 project. [165139]
Mr Simon Burns: The Department and HS2 Ltd are undertaking an extensive programme of work to update the economic assessment for HS2 to reflect the latest evidence, research and understanding of the project; including revised costings. This work will inform the next update to the business case for HS2 and will be published later this year to support consultation on the Phase Two route and the deposit of the Hybrid Bill for Phase One.