Would another runway be required if Heathrow gave up its desire to remain a major hub airport? I find on the Heathrow website that 32 per cent of passengers in 2015 were just transferring between flights to and from outside of the UK. If this hub traffic was taken by other more suitable airports within Europe, then surely Heathrow could concentrate on domestic traffic only? I imagine this would result in a significant loss to Heathrow in terms of landing fees, but that should be measured against the costs of a third runway and the local disruption building it will cause.
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