UK transport projects cost 1.2 to 2 times as much as peer-country equivalents

Cost multiplier per unit of output (km of rail, lane-km of road, MW of nuclear) compared to peer countries

95% confidence intervals are shown. This is an analysis of 383 transport projects across 21 countries. Estimate adjusts for project scale, type, complexity, era, and density. Peer countries include Canada, France, Germany, Italy, Korea, Spain.

Source: Britain Remade infrastructure cost database; CBP analysis of 383 transport projects across 21 countries.