If you are interested in this stuff you should read http://www.elsevier.com/books/stochastic-transport-in-complex-systems/schadschneider/978-0-444-52853-7 http:

If you are interested in this stuff you should read http://www.elsevier.com/books/stochastic-transport-in-complex-systems/schadschneider/978-0-444-52853-7 http://www.elsevier.com/books/stochastic-transport-in-comple... Also: http://www.thp.uni-koeln.de/~as/ http://www.thp.uni-koeln.de/~as/ https://www.uni-due.de/zlv/portrait/schreckenberg.php https://www.uni-due.de/zlv/portrait/schreckenberg.php