A review of all public road and rail projects worth $20 million or more and completed since 2001 reveals a 21% cost overrun. Worryingly, costs of bigger projects blew out more often and by more.
A better way of evaluating these projects would be to look at their value and sustainability.
Abiy Ahmed has a vision to upgrade Ethiopia's capital city but his ambitious megaprojects do not take the majority of Addis Ababa's residents into account
States across Australia are increasingly using market-led proposals to build infrastructure. The emerging problems reflect the inherent risks of projects that bypass proper public planning processes.
Want a rule of thumb for how voters should view megaprojects in manifestos? Read on.
South Africa needs to review its four years decision to exclusively deliver housing through megaprojects.