However, a new crossing is a priority for the whole of the Scottish economy, not least that of Fife, which is already beginning to suffer because of worries over the closure of the existing bridge to heavy goods vehicles by 2013.In most people's view, a Forth crossing is a greater priority than an Edinburgh airport rail link that will involve burrowing under a live runway at a cost of £609 million and rising—experts say towards £1 billion.