Mr Abbott has pledged that a coalition government, if elected, would make that contribution to start the 5 billion dollar cross-city project, as he addressed the Liberal Party's federal council in Melbourne today.
But Ms Gillard says Mr Abbott has failed to work out funding arrangements with the Victorian coalition government.
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
She's told reporters in Melbourne that you can't build a 5 billion dollar project with 1.5 billion dollars.

