Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

1877-0428 © 2012 Published by Elsevier Ltd. Selection and/or peer review under responsibility of the Programme Committee of the Transport Research Arena 2012 doi: 10.1016/j.sbspro.2012.06.1024

Available online at www.sciencedirect.com

© 2012 Published by Elsevier Ltd. Selection and/or peer review under responsibility of the Programme Committee of the Transport Research Arena 2012

450 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

451 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

452 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

453 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

454 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

455 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

456 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

457 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

458 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

459 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

460 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

461 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

462 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463

463 Apostolos Papanikolao et al. / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 449 – 463