Massive road, rail pipeline under threat

Labour shortages are already severe among major construction projects, the report says. (Darren England/AAP PHOTOS) (AAP)

The stretched construction industry is struggling to deliver the massive pipeline of rail, roads and other public infrastructure on time and within budget.

The $237 billion pipeline of major public infrastructure projects is under pressure as demand for works soars at the same time as labour shortages and sky-high material costs cripple the construction industry.