An economic model has been developed to apply the negative external effects from urban road transport by noise, air pollution, visual hindrance, pedestrian/vehicle conflict situations and severance effect. Recent methods of research and predictability of these effects are reviewed and discussed. Quantifications in a British case study are described. Research is directed to 5 methods of evaluating social costs arising from road transport: analysis of housing prices, of amenity improving expenditures, gaming methods, simulation techniques and environmental social surveys.
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