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> population and land-use patterns... are two of the most important variables in any TDM [Travel Demand Model]

All models are based on assumptions. Revisiting those assumptions should be a continuous process that forms a tight feedback loop, especially given the long timelines and large capital costs involved with civil infrastructure projects.

If population and land-use assumptions are the key factors then the important questions should be how these assumptions will be validated and how often. These questions seem to be missing from the article.



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