MarketWatch
AI capital expenditure forecast to exceed the cost of building railways in both the U.S. and the U.K. — with the internet added on top
Wednesday, September 2, 2026
PwC estimates that capital spending on artificial intelligence buildout will exceed the combined historical costs of constructing railways and the internet in both the United States and United Kingdom. The accounting firm cited the scale and growth rate of AI infrastructure spending as distinguishing factors from previous major technological buildouts. PwC did not provide specific dollar figures or timelines in the available statement.
