FOR business travellers trying to work out what the Donald Trump era will mean for them, one of president’s central campaign promises seemed to bode well: investing up to $1trn in American infrastructure. But anyone hoping for smoother roads, faster rides and more efficient airports might be in for a rude awakening, in the form of long waits and extra expenses at the toll booth.

American infrastructure needs an upgrade. The American Society of Civil Engineers is already complaining that a 13-figure investment might fall short of the $3.6trn required to bring roads, airports, pipelines and the like up to par. But the crux of the issue is not the amount Mr Trump will spend; it is how that money will be allocated. The answer appears to be that it will be spent by private companies on projects where they can turn a profit.

On Tuesday, the Congressional Budget Office Continue reading