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In November 2009, Ben Tseitlin was driving along on the 280 highway between San Francisco and Palo Alto when he noticed something weird. There was a Toyota Prius next to him with a weird spolier-like thing on the roof. And on top of that was some sort of spinning contraption.  What Tseitlin captured, of course, was the Google self-driving car. The secret project, which Google revealed for the first time today, is a combination of different technologies developed by Google that will allow a car to drive itself — yes, even on the highway. Google has disclosed that they’ve been testing these cars “recently“, but they’ve clearly been testing them for longer than that, as Tseitlin’s video proves. The fact that these specially-equipped Priuses (and one Audi TT) have racked up over 140,000 miles (1,000 of while have been completely human-free) on the road, suggests a longer cycle of testing as well. One of the most interesting aspects of this whole project is that local authorities were fine with Google road-testing these cars. Read more here on this cutting edge development.