lots of manhours are lost in traffic http://www.foreignpolicy.com/articles/2010/08/24/the_world_s_worst_traffic?page=0,4 http://www.foreignpolicy.com/articles/

lots of manhours are lost in traffic http://www.foreignpolicy.com/articles/2010/08/24/the_world_s_worst_traffic?page=0,4 http://www.foreignpolicy.com/articles/2010/08/24/the_world_s... I would say understanding the dynamics of it is a perfectly important question for a PhD thesis