Submitted on: 22 January 2004.
Revised on: 18 March 2004.
Accepted on: 17 May 2004.
___________________Journal of Transport Geography
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Submitted on: 16 January 2000.
Revised on: 28 February 2000.
Accepted on: 18 March 2000.
___________________Journal of Transport Geography
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Submitted on: 26 May 2017.
Revised on: 01 August 2017.
Accepted on: 19 August 2017.
___________________Journal of Transport Geography
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Submitted on: 01 October 2011.
Revised on: 15 November 2011.
Accepted on: 17 December 2011.
___________________Journal of Transport Geography
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Submitted on: 12 October 2021.
Revised on: 15 January 2022.
Accepted on: 21 February 2022.
___________________Journal of Transport Geography