!

Now get this,

1. There is a Mathematical Society of Traffic Flow in Japan. I bet their president is some dude who just pissed off with the traffic and at the same time good at math.

2. Cool thing is, they simulated how traffic jam occurred out of nothing. Tom Cruise was right after all, the traffic is like a living organism that moves like a "shockwave". The explanation however, is simple. Varying speed of vehicles. Or some asshole on a cellphone. See below.