Surely a tunnel is a better idea, and much safer.
Comment on: New national design guide: the industry reacts
This kind of 'guide' tends to become a set of rules that planning officers use to refuse applications rather than as a true design guide to encourage better design. It seems to be a bit more interesting than most LPA's residential design guides, but then they are on the whole truly awful.
I bet a few are squirming in their chairs over this one in the UK too.
Comment on: Astragal: Top dogs of architecture
A tunnel between West Wales and Rosslare would make more sense.