Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30741
Title: Integrated approach for trip matrix updating and network calibration
Authors: Xu, G
Lam, WHK 
Chan, KS
Keywords: Calibration
Data analysis
Models
Transportation planning
Issue Date: 2004
Publisher: American Society of Civil Engineers
Source: Journal of transportation engineering, 2004, v. 130, no. 2, p. 231-244 How to cite?
Journal: Journal of transportation engineering 
Abstract: Most transport models for short-term strategic planning are required to be calibrated with current planning parameters and updated traffic data. There are basically two steps involved in transport model calibration, namely, trip matrix updating and network calibration. These two steps are carried out iteratively in the conventional approach and may not achieve a stable solution. This paper proposes a bilevel programming model that integrates the two steps of trip matrix updating and network calibration into one stage. A solution algorithm is developed on the basis of genetic algorithms. Numerical examples are presented to illustrate the performance of the proposed model and solution algorithm under various conditions where different source data are available.
URI: http://hdl.handle.net/10397/30741
ISSN: 0733-947X
EISSN: 1943-5436
DOI: 10.1061/(ASCE)0733-947X(2004)130:2(231)
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