You just need to slow the cars down enough to increase safety drastically where the environment is not adapted. Having cars move slowly but steadily does not m

You just need to slow the cars down enough to increase safety drastically where the environment is not adapted. Having cars move slowly but steadily does not make trips longer on average, at least in areas prone to traffic jams. Even though human drivers can find it frustrating, it's actually the opposite. If vehicles are consistently slow enough, you can even get rid of traffic lights and stop signs.