Travel time variability analysed

The key recommendation of a new report into multimodal travel time variability commissioned by the DfT is that: “There is a need for a major new study into the valuations of variability, investigating both the question of how information on variability is presented to respondents and how it is later specified in econometric models that are estimated on the data.”

“This must, however, follow on from agreement on the theoretical framework for journey time variability,” the...

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