Proportion of serious injury crashes doubles as congestion increases from free-flowing to moderate
Crash severity by traffic congestion on Transurban roads (2015-2022)
Column chart showing the proportion of crash severity by congestion level. Serious injuries make up 2% of crashes during stop/start congestion, 12% during free-flowing, 18% during minimal, and 24% during moderate congestion.
Based on sample data taken from across our markets