Google Self-Driving Vehicle Trained to Hog The Left Lane?

Google 'left-lane-dick' driverless car

A reader writes, Dear AR1.com, I have been looking for what to do with the photo taken a couple of weeks ago in the San Francisco Bay Area. Your article on driverless cars triggered an answer.

Northern California drivers are not particularly disciplined about keeping to the right, as evidenced in the photo, which makes me wonder: have the programmers designed in 'left-lane-dick' logic? Harry Smith, San Francisco