• Inaugural listing in the Dow Jones Sustainability Indexes World list (DJSI World) in September 2006.
  
  
• Included in the Carbon Disclosure Project (CDP) Climate Leaders List for Australia and New Zealand.
  
  
• Transurban and Westlink Motorway Group named 2006 Joint Corporate Citizens of the Year by Blacktown City Council in Western Sydney for their contributions to the environment and sustainability.
  
  
• Winner of National Infrastructure Award, winning the best infrastructure operator and service provider category for the delivery and operation of the Westlink M7 tolling system.
  
  
• Member of FTSE4Good Index, the responsible investment index calculated by global index provider FTSE Group.
  
  
• Listed in the Australian SAM Sustainability Index (AuSSI), which tracks the performance of Australian companies that lead their industry in corporate sustainability.