Fig. 16From: The assessment of quantitative risk to road users from debris flowF-N curve showing the risk reduction for the A83 due to the mitigation measures extant as of October 2014 based on the Wong et al. (2004) approach. The dashed lines represent the risk after the mitigation measures are taken into account. Note that the line for Scenarios A and B combined is partly obscured by that for Scenario ABack to article page