Understanding the patterns of car travel Luca Pappalardo, Salvatore Rinzivillo, Zehui Qu, Dino Pedreschi and Fosca Giannotti Eur. Phys. J. Special Topics, 215 (2013) 61-73 Published online: 29 January 2013 DOI: 10.1140/epjst/e2013-01715-5