Anciaes, Paulo;
Jones, P;
Mindell, J;
Scholes, S;
(2022)
The cost of the wider impacts of road traffic on local communities: 1.6% of Great Britain's GDP.
Transportation Research Part A: Policy and Practice
, 163
pp. 266-287.
10.1016/j.tra.2022.05.016.
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Abstract
This paper estimates the negative effects of motorised road traffic on the travel and walking behaviour of local residents in Great Britain and the cost of the wider negative impacts on local economic activity, external effects of motorised transport, social exclusion, neighbourhood social capital, self-rated health, and subjective wellbeing. We use the results of a survey (n = 3038) and models linking the characteristics of roads and pedestrian crossing facilities in each participant’s local area, travel and walking behaviour, and the level and monetary value of the wider impacts of travel behaviour. The costs of road traffic borne by local communities were estimated as £31.9 billion per year, i.e. 1.6% of the Gross Domestic Product, or £631 per person. This value varies within the interval £569-£698/person/year, depending on the assumptions made. The highest estimated costs of motorised road traffic are reduced neighbourhood social capital (£236) and reduced subjective wellbeing (£196/person/year). The costs for some population segments, such as London residents, city residents, and people aged 25–34 are higher than the average. The characteristic of roads causing the highest costs is volume of motorised traffic above low (£264/person/year), followed by multiple lanes (£148), traffic speeds above low (£119), and absence of a median strip (£60). By quantifying for the first time, at the national level, the costs of the negative community effects of motor vehicles, this study provides evidence supporting policies to reduce traffic volumes and speeds and reallocate roadspace to pedestrians.
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