of A$331m, jointly funded by the state and federal governments. In conjunction with these works, the new Leakes Road interchange at Rockbank was opened in August 2008. This provided a freeway interchange onto the Western Ring Road. 2011 – Anthony's Cutting realignment. A new realignment constructed to the south of the previous section of highway, bypassing the steep grades and tight curves of the old alignment between Melton and Bacchus Marsh. The A$200m project was ‘mostly’ open to traffic in June 2011. 2013 - Ballarat to Burrumbeet. duplication opened to traffic 31 January 2013. 2015 - Burrumbeet to Beaufort opened to traffic on 18 February 2015 adding a further of dual carriageway and includes a bypass of Trawalla however the highway still passes through both Burrumbeet (as dual carriageway) and Beaufort (as single carriageway). 2016 - Beaufort to Buangor opened to traffic in April 2016 adding a further of dual carriageway to the existing freeway, which includes the Buangor bypass. Deer Park Bypass The Deer Park Bypass opened on 5 April 2009 in the western suburbs of Melbourne. The freeway links the Western Freeway at Ravenhall, and the Western Ring Road in Derrimut. This 9.3 kilometre freeway was estimated to cost which also includes a grade separated interchange or a "full diamond" at Leakes Road in Rockbank. The purpose of the freeway bypass is to move traffic off Ballarat Road, which leads to the Western Ring Road. Due to the strong population growth of about 8.7 per cent and subdivision in Deer Park and Sunshine, the surrounding suburbs and the seven traffic signals between the Western Ring Road and the start of the Western Freeway, substantial long and very frustrating delays were created for the 70,000 vehicles per day with 10 per cent of this consisting of heavy vehicles. The bypass had been proposed since the completion of the Western Ring Road, the project stalled due to funding quarrels between the Federal and State Governments. In 2004, the Federal government announced that the Deer Park Bypass would be built as part of a $1.4 billion project "package grant" to Victoria. It was anticipated that more than 15 min of travel time would be saved when travelling through Deer Park, via Ballarat Road. Construction started on the Deer Park bypass in August 2006, work being carried out as a joint venture by Leighton Contractors and VicRoads, in construction with two contracts.