Sydney-based Babcock & Brown Infrastructure has announced it will move to fully acquire WestNet Rail - the company that administer's the state's freight rail lines - after acquiring a 51 per cent stake in them last year.

Sydney-based Babcock & Brown Infrastructure has announced it will move to fully acquire WestNet Rail - the company that administer's the state's freight rail lines - after acquiring a 51 per cent stake in them last year.