The federal government has called a 90-day snap review of the Infrastructure Investment Program. The program was originally intended to fund projects of national significance, but has since ‘drifted away’ from those lofty ambitions.

But should the federal government be involved in infrastructure funding at all? Grattan Institute research has shown that federal funding of state and local infrastructure projects is often an exercise in pork-barrelling. After all, local road roundabouts and train-station carparks aren’t exactly the Sydney Opera House.

In this special Grattan Podcast, our transport and cities experts Marion Terrill and Natasha Bradshaw discuss with host Kat Clay how federal infrastructure money should be best used.