Any modern risk assessment will rule out a location close to a major road
They don't have to display over the base though (or do they?)
I'm campaigning for them to move to Brize FWIW - acres of practice area to the south, close to their spiritual home at Rissington, only a short hop to RIAT, and there must be a spare hangar for them to tuck themselves into amongst the heavies. So many wins.