A few weeks ago, the Government approved the building of a third runway at Heathrow Airport in London, with support from the Labour and Conservative Parties. This has been a controversial plan ever since it was first suggested in 2006 – increased air traffic will lead to more air and noise pollution, and the disruption to local communities will be significant. However, Heathrow is at 99% capacity, meaning disruptions can be severe.
There is, I think, a better solution to this. We already have trains which exist “beyond” UK passport control – you can get on a Channel Tunnel train at Kings Cross International, and you’re not allowed to get off at Ashford International because you’ve already left the country. With Old Oak Common providing a Crossrail and HS2 station near Heathrow, we have the opportunity to run “air side” trains along HS2 to Birmingham and Manchester Airports. This means passengers don’t need to go through passport control “into” the UK, travel to another airport, then go back “out” and check their luggage again at the far end.