### Abstract

The paper presents a framework for public transport assignment
that builds on the probit-based model of Sheffi & Powell (1981
& 1982). Hereby, the problems with overlapping routes that
occur in many public transport models can be avoided. In the
paper, the probit-based model in its pure form is changed similar
to the principles in Nielsen (1996). This makes it possible to
describe passengers different preferences towards different
sub-modes and against transfers. This also considers dependencies
of choices through chains of sub-modes. The simulation of
perceived travel times is extended to describe differences in the
distribution of travel times and waiting times for different
sub-modes. Parallel lines are frequency aggregated in order to
handle waiting times appropriate. Initial tests shows, that the
methodology can be estimated to describe route choices in public
transport very well. This is both due to the probit model’s
ability to describe overlapping routes and due to the many
different weights and distributions that make it possible to
calibrate the model. In practice, the many parameters might also
be the methods main weakness, since this complicates the
calibration.

Original language | English |
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Title of host publication | A Stochastic Traffic Assignment Model Considering Differences in Passengers Utility Functions |

Publication date | 1997 |

Publication status | Published - 1997 |

Event | The 8th Meeting of the International Association for
Travel Behaviour Research - Austin, Texas Duration: 1 Jan 1997 → … |

### Conference

Conference | The 8th Meeting of the International Association for Travel Behaviour Research |
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City | Austin, Texas |

Period | 01/01/1997 → … |

## Cite this

Nielsen, O. A. (1997). A Stochastic Traffic Assignment Model Considering Differences
in Passengers Utility Functions. In

*A Stochastic Traffic Assignment Model Considering Differences in Passengers Utility Functions*