Article Reference #3

Haynes, R., Chambers, G., Slower than a penguin - Sydney traffic moves at just 24km/h, The Daily Telegraph December 01, 2011, http://www.dailytelegraph.com.au/news/sydney-news/slower-than-a-penguin-sydney-traffic-moves-at-just-24kmh/story-e6freuzi-1226210695796 [accessed 30 June 12]

Cox,W., New Traffic Scorecard Reinforces Density-Traffic Congestion Nexus,
Newgeography, 3 March 2010, http://www.newgeography.com/content/001444-new-traffic-scorecard-reinforces-density-traffic-congestion-nexus