A Systematic Assessment of the Environmental Impacts of Transport Policy
This paper presents an integrated urbanpassenger transport model system for evaluatingthe impact of a large number of interrelatedpolicy instruments on urban travel behaviourand the environment. The model system has fourintegrated modules defining household locationand automobile choices, commuter workplace andcommuting travel choices, non-commuting travelactivity, and worker distributed workpractices. The demand model system, estimatedas a set of discrete and continuous choicemodels, is combined with a set of equilibratingcriteria in each of the location, automobileand commuting markets to predict overall demandfor passenger travel in various socio-economicsegments, automobile classes and geographiclocations. We illustrate the diversity of thesystem by applying the integrated system toPerth (Western Australia), in the context ofassessing their impacts on greenhouse gasemissions. The model system is embedded withina decision support system to make it anattractive suite of tools for practitioners.
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