1. The WTP social cost figures are provided in 2014 dollar value using the 2015 National Guidelines for Transport System Management in Australia.
2. Doecke, S., & Kloeden, C.N. (2014). The accuracy of determining speeding directly from mass crash data and using the NSW Centre for Road Safety method. Journal of the Australasian College of Road Safety, 25(1), 35–41
3. Department of Transport and Main Roads Qld. Unpublished data extracted 27 June 2018 using road casualty statistics 2013-2017.