Bureau of Infrastructure, Transport and Regional Economics data containing upper baseline projections of avoidable social costs of congestion, for the period 1990 to 2030
For more information see http://bitre.gov.au/publications/2015/files/is_074.pdf
Data used to produce Figure BLT6 in Built environment, SoE 2016. See https://soe.environment.gov.au/theme/built-environment/topic/2016/increased-traffic#built-environment-figure-BLT6