Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19526
Title: A model for assessing the effects of dynamic travel time information via variable message signs
Authors: Lam, WHK 
Chan, KS
Keywords: Dynamic driver information
Traffic assignment
Variable message signs
Issue Date: 2001
Publisher: Springer
Source: Transportation, 2001, v. 28, no. 1, p. 79-99 How to cite?
Journal: Transportation 
Abstract: In view of the serious traffic congestion during peak hours in most metropolitan areas around the world and recent improvement of information technology, there is a growing aspiration to alleviate road congestion by applications of electronic information and communication technology. Providing drivers with dynamic travel time information such as estimated journey times on major routes should help drivers to select better routes and guide them to utilise existing expressway network. This can be regarded as one possible strategy for effective traffic management. This paper aims to investigate the effects and benefits of providing dynamic travel time information to drivers via variable message signs at the expressway network. In order to assess the effects of the dynamic driver information system with making use of the variable message signs, a time-dependent traffic assignment model is proposed. A numerical example is used to illustrate the effects of the dynamic travel time information via variable message signs.In view of the serious traffic congestion during peak hours in most metropolitan areas around the world and recent improvement of information technology, there is a growing aspiration to alleviate road congestion by applications of electronic information and communication technology. Providing drivers with dynamic travel time information such as estimated journey times on major routes should help drivers to select better routes and guide them to utilize existing expressway network. This can be regarded as one possible strategy for effective traffic management. This paper aims to investigate the effects and benefits of providing dynamic travel time information to drivers via variable message signs at the expressway network. In order to assess the effects of the dynamic driver information system with making use of the variable message signs, a time-dependent traffic assignment model is proposed. A numerical example is used to illustrate the effects of the dynamic travel time information via variable message signs.
URI: http://hdl.handle.net/10397/19526
ISSN: 0049-4488
DOI: 10.1023/A:1005235831457
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