Heathrow Airport

(asked on 20th July 2017) - View Source

Question to the Department for Transport:

To ask the Secretary of State for Transport, what recent assessment he has made of the cost of the road and rail infrastructure required to support the expansion of Heathrow airport; and if he will publish the methodology used to make that calculation.


Answered by
John Hayes Portrait
John Hayes
This question was answered on 11th September 2017

The Airports Commission estimated that the potential costs of the surface access provision for a northwest runway at Heathrow were around £5bn but recognised that the finalised details, and therefore costs, would be determined as part of the statutory planning process.

Details of the Commission’s cost estimation methodology were published alongside its Final Report in July 2015 and the Cost and Commercial Viability: Cost and Revenue Identification Update for the Heathrow Northwest Runway is available from the Commission’s website.

Additionally, Highways England undertook a validation of the Airports Commission’s consideration of the strategic road network surface access proposals, including its cost estimates, and their Airports Commission Surface Access Works: Strategic Road Network Proposals Validation of Costs and Delivery Assumptions report was published in October 2016 and is available from the Department’s website.

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