Research Output

A public health approach to assessing road safety equity - The Rose cycle

  This chapter explores challenges with assessing equity with regards to road traffic collisions (RTCs). The authors propose an approach that seeks to address not only injury outcomes, but also other equity issues, which is a fairer method of evaluating the true impact of transport (safety) interventions on equity outcomes. A road safety equity (RoSE) cycle approach is proposed. The case for this approach is made through the examination of a case study in the UK city of Bristol, where a “road danger reduction” approach has been pursued since around the year 2012. This approach has involved the creation of 20 mph speed limits across the city. The RoSE cycle approach, as used in Bristol in the 20 mph speed limit intervention, offers guidance for other areas to take an equity focus to transport interventions that meet broader, public health goals. It is a means by which a Safe Systems approach, focusing not just on casualty reduction, but more on reducing danger on the roads that genuinely transforms the road environment and tackles important equity issues.


Pilkington, P., & Davis, A. (2019). A public health approach to assessing road safety equity - The Rose cycle. In Measuring Transport Equity, (159-170). Elsevier.


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