Automobiles are the main form of transport. The Western Freeway which is the main route to both Melbourne (approximately 48 minutes) in the east and Ballarat (46 minutes) to the west. The freeway divides Bacchus Marsh and its northern suburb Darley. Three interchanges serve the urban area – the Gisborne Road (full- diamond) along with Hallets Way and Bacchus Marsh Road (both with a half-diamond). With the exception of the central business district and neighbouring areas, the majority of the urban area is laid out in a street hierarchy pattern with collector roads leading to the two major cross roads – Bacchus Marsh Road (C602) and Bacchus Marsh-Gisborne Road/Bacchus Marsh-Geelong Road (C704) which bearing the majority of vehicular traffic.