I don't know if everyone heard about this offroad race where 8 spectators were killed by a rolling vehicle, but this is the natural result:
http://latimesblogs.latimes.com/lanow/2010/08/california-200-and-other-races-foster-dangerous-mad-max-atmosphere-critics-say.html
http://latimesblogs.latimes.com/lanow/2010/08/california-200-and-other-races-foster-dangerous-mad-max-atmosphere-critics-say.html
The feds have allowed a 'Mad Max' atmosphere to develop with too many people and too many machines crammed into too little space, said Kieran Suckling, director of the Center for Biological Diversity, a nonprofit environmental protection group. The feds don't have the resources, and apparently not the interest, to regulate off-road vehicles properly.