In October 2007, during the 2007 Federal election campaign the Labor party promised $107.5 million for the fourth stage of the road. It was made up of $45 million for stage 4B, on top of their promise made in September for $62.5 million towards Stage 4A. In May 2008 stages 4A and 4B were given the go ahead, with State Premier John Brumby announcing $65 million in funding for stage 4B, in addition to earlier State Government funding of $63 million for stage 4A. Running from the Princes Highway at Waurn Ponds; it will run from Anglesea Road near Hams Road, through the Blue Circle Quarry to the Princes Highway, near Draytons Road.