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Submitted on: 31 December 2022.
Revised on: 03 March 2023.
Accepted on: 14 March 2023.
___________________European Journal of Transport and Infrastructure Research
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Submitted on: 21 June 2006.
Revised on: 28 September 2006.
Accepted on: 07 November 2006.
___________________European Journal of Transport and Infrastructure Research