Highlights ► We model travellers with explicit scheduling preferences at origin and destination. ► Travellers choose departure time minimising the expected cost of random travel time. ► We seek variability measures additive in respect to independent parts of the trip. ► The cumulant generating function and the variance are the only additive measures. ► The value of variability depends only on the scheduling preferences.

    Abstract This paper derives a measure of travel time variability for travellers equipped with scheduling preferences defined in terms of time-varying utility rates, and who choose departure time optimally. The corresponding value of travel time variability is a constant that depends only on preference parameters. The measure is unique in being additive with respect to independent parts of a trip. It has the variance of travel time as a special case. Extension is provided to the case of travellers who use a scheduled service with fixed headway.


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    Titel :

    Additive measures of travel time variability


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2011-07-09


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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