The federal government will now spend $1 billion on the Bunbury Outer Ring Road, almost double initial projections; amid a $1 billion top-up to projects also including the Yanchep and Thornlie-Cockburn rail lines.

The federal government will now spend $1 billion on the Bunbury Outer Ring Road, almost double initial projections; amid a $1 billion top-up to projects also including the Yanchep and Thornlie-Cockburn rail lines.