Submitted on: 17 November 2003.
Revised on: 16 December 2003.
Accepted on: 05 January 2004.
___________________Journal of Traffic and Transportation Engineering-English Edition
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Submitted on: 26 February 2015.
Revised on: 02 April 2015.
Accepted on: 09 May 2015.
___________________Journal of Traffic and Transportation Engineering-English Edition
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Submitted on: 07 December 2018.
Revised on: 24 February 2019.
Accepted on: 22 April 2019.
___________________Journal of Traffic and Transportation Engineering-English Edition
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Submitted on: 11 May 2023.
Revised on: 18 June 2023.
Accepted on: 29 June 2023.
___________________Journal of Traffic and Transportation Engineering-English Edition
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