Equally, we've delivered plenty of surface railway projects on time and on budget - the Borders line and Airdrie to Bathgate in Scotland come to mind. It's a pr

Equally, we've delivered plenty of surface railway projects on time and on budget - the Borders line and Airdrie to Bathgate in Scotland come to mind. It's a pretty defeatist attitude to cancel ambitious projects because they sometimes go over-budget and leads to countries having terrible infrastructure.