The movement of traffic is regulated by our Cellular Automaton rules.
Cars Moving in the City
(QuickTime, 352x288, 00:00:14, 3.6 MB)
Flying Across the City (with Sound)
(QuickTime, 352x288, 00:00:20, 4.9MB)
Cars Moving in
the City 
Flying
Across the City
(with Sound)