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Investigating traffic congestion in Shanghai: a system dynamics approach

Investigating traffic congestion in Shanghai: a system dynamics approach Road congestion happens when road demand exceeds road supply. Therefore, people deem that constructing new roads – increasing the supply – can solve the problem. Shanghai has invested heavily in road construction since 1990s. Consequently, road congestion in Shanghai has been relieved. However, road supply can also stimulate road demand. Mainly, private cars will be more frequently used. This feedback was ignored before due to low personal income. Nowadays, with the fast economic development, an increasing amount of people can afford a car. Hence, it is necessary to consider this feedback when investigating the traffic problem. The system dynamics model developed in this study shows that road congestion will become more severe in the future if only increasing road supply. This result suggests that alternative policies, such as promoting public transportation should be emphasised. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Services Operations and Informatics Inderscience Publishers

Investigating traffic congestion in Shanghai: a system dynamics approach

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Publisher
Inderscience Publishers
Copyright
Copyright © Inderscience Enterprises Ltd. All rights reserved
ISSN
1741-539X
eISSN
1741-5403
Publisher site
See Article on Publisher Site

Abstract

Road congestion happens when road demand exceeds road supply. Therefore, people deem that constructing new roads – increasing the supply – can solve the problem. Shanghai has invested heavily in road construction since 1990s. Consequently, road congestion in Shanghai has been relieved. However, road supply can also stimulate road demand. Mainly, private cars will be more frequently used. This feedback was ignored before due to low personal income. Nowadays, with the fast economic development, an increasing amount of people can afford a car. Hence, it is necessary to consider this feedback when investigating the traffic problem. The system dynamics model developed in this study shows that road congestion will become more severe in the future if only increasing road supply. This result suggests that alternative policies, such as promoting public transportation should be emphasised.

Journal

International Journal of Services Operations and InformaticsInderscience Publishers

Published: Jan 1, 2006

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