Explore details about location Tullamarine Freeway Onramp. Tullamarine Freeway Onramp is a location situated within the Gowanbrae alongside other areas such as Tullamarine Freeway Onramp. Additionally, some smaller parts of Tullamarine Freeway Onramp include specific areas like Gowanbrae Drive, Lilac Mews, Seggan Circle adding to the diversity of its landscape.