The M4-M5 Link Tunnels project connects Parramatta and Mascot, with the new extensions of the M4 and M8.
One of Australia's major motorways has been given a colourful installation that pays homage to the area's traditional custodians - The symbols in the artwork reference the Bidjigal people and the Timbery family as saltwater people and the tradition of shellwork handed down from mother to daughter through the generations.