Mr. Kenny Jacobs:

It is needed in order that tugs and vehicles carrying bags can get to the far side of the airfield. It is about every vehicle we have on the airfield being able to transition across it in a safe manner. It involves a two-bore, four-lane tunnel. We have asked whether we could have a single-bore, two-lane tunnel. If digging, the cost difference between the two options is such that we might as well future-proof. That is what we decided to do. This is seen all over Europe. The tunnel will future-proof an airport whose passenger number will hopefully grow from 32 million to 40 million by the end of the decade, subject to the acceptance of the planning application we will submit, and grow beyond that. There will be remote stands, and ultimately there will be a need to get to the part of the airfield in question. The other option-----