Chris Blackmore
Head of transport modelling and economics at Abley, a transport consultancy, with expertise in assessing the economic and network impacts of road crashes using detailed traffic data.
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Mar 18, 2026 • 9min
Calculating the hidden costs of road crashes
Chris Blackmore, Head of transport modelling and economics at Abley, explains how crash costs are often vastly underestimated. He walks through how social costs are calculated and what current methods miss. He shows how richer traffic data reveals network-wide ripple effects, rerouting and extra travel that push real costs much higher.
