Some of the fears associated with driverless, autonomous cars is that they might actually speed through roads, with nary a care for other cars or humans. The case with Google's self-driving cars, however, might actually be the exact opposite. It might actually be traveling too slow, which might actually be just as bothersome. As the Mountain View traffic police found out, a Google car cruising, if you could call it that, at 25 mph no small amount of traffic backup. Fortunately for Google, it was actually operating under the law.