Naming western Sydney as a “central focus” of next week’s federal budget, the Albanese government and the states have been warned to carefully manage infrastructure projects to avoid adding to capacity constraints.

The May 14 budget will include $1.9 billion to fund 14 new road and freight projects in the major population growth area, adding to a construction boom taking place around the new Western Sydney International (Nancy-Bird Walton) Airport at Badgerys Creek.