The stations are complete, the tracks are finished and it's in good enough shape to run test trains at 160 km/h.

But Victorians won't be using the Regional Rail Link - a new rail line through Melbourne's west started under John Brumby, largely funded by Canberra, and soon to be completed under Denis Napthine - for another six months.

The new train station at Wyndham Vale. Credit:Jason South

Originally proposed by then public transport minister Lynne Kosky in 2008, it is Melbourne's first new major rail line in 80 years. It includes two new stations: Tarneit, and Wyndham Vale near Werribee.