The social nature of driving becomes clear when you see people in different countries/societies drive. The cues they give, their expectations, and the way peopl

The social nature of driving becomes clear when you see people in different countries/societies drive. The cues they give, their expectations, and the way people react is quite distinct - even when the formal road-rules are very similar across different countries. When you're out next, consider how you can tell that someone ahead of you is thinking of changing lanes, or seems to be distracted or in a hurry. There's no indicator signal for these things, but they become second nature to experienced drivers. I wonder how well antonymous vehicles will fit into traffic. We can make allowances for small numbers (like we do for learning-drivers) and for simple situations (highway driving) but should they become very common ...