Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

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.2012.06.1089

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

1131 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1132 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1133 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1134 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1135 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1136 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1137 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1138 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1139 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1140 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1141 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142

1142 Christos Pyrgidis and Alexandros Panagiotopoulos / Procedia - Social and Behavioral Sciences 48 ( 2012 ) 1130 – 1142