Dynamic Assignment Modelling with Tripsby Hugh Neffendorf, MVA House, United Kingdom,
Miles Logie, MVA House, United Kingdom,
Roger Witte, MVA House, United Kingdom,
Abstract: This paper describes additional ways in which TRIPS models time-varying, or 'dynamic' effects. These include area-wide effects as vehicles move through the network, interactions between intersections, and the effects of extended modelling periods. Although the modelling changes are directed at the behavior of traffic on a network, a significant result is the information given about the consequences for the demand for travel. This information is in the form of a pair of Origin-Destination (O-D) matrices. The paper considers the issues addressed by dynamic modelling and the key elements of the TRIPS implementation. The methods used are briefly described, and the paper concludes by considering how dynamic modelling may best be applied.
Subject Headings: Dynamic models | Traffic models | Travel modes | Computer models | Travel patterns | Computer software | Intersections | Information management
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