Local Directions The Heidelberg, Bulleen and Doncaster sites can be reached from Melbourne by taking the Eastern Freeway to the Burke Road turn-off. Eltham, Diamond Creek, Research and Warrandyte sites can be reached via the Eastern Freeway from Melbourne, or the Western Ring Road (M80) from the airpost and western suburbs. Sites in the Dandenongs and near Coldstream and Yarra Glen can be accessed via the Yarra Valley Scenic Route through Eltham or the Maroondah Highway from Melbourne.