THE proposed Forth second crossing, length 2.75km, has an estimated cost of £2 billion.
By The Newsroom
Published 10th Feb 2011, 16:24 BST
Updated 10th Feb 2011, 21:21 BST
The recently announced proposal by Denmark to build an immersed tube tunnel under the sea to Germany, length 17.6km, has an estimated cost 4.3 billion. Which country is getting the better deal?