with all the money spent on the facility over the years £70 million would have went a long way. And it may cost £320 million today, but they could have started 20 years ago - cheaper.
...........and from there it's motorway or dual carriageway all the way to BHD. ;-)
You are smart, did you find that out on google earth!!!. If I lived in the northwest why would I lengthen my journey, endure the severe traffic congestion of greater Belfast, drive by the major international airport, pay extra for parking, risk the higher chance of being diverted, pay extra for the flights..........