Innovations in Travel Demand Modeling, Volume 2: Papers (2008) / Chapter Skim
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T57054 txt_031.pdf
T57054 txt_031.pdf
Pages 42-42
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are used as variables in the primary tour destination choice models; the reason that only representative mode choice log sums are used in the destination choice is that this choice dimension has 1,805 3 5,415 alternatives and is extremely computationally intensive. • Entire- tour bidirectional mode choice log sums for all time- of- day periods are used as variables in time- of- day choice; because the time- of- day choice model is applied conditionally upon the chosen destination, it is significantly less intensive computationally than destination choice, and it is possible to explicitly consider mode choice log sums for all possible time- of- day combinations.
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