Google mentions focusing on city driving instead of highway driving in their annual disengagement report [1]: > Mastering autonomous driving on city streets --

Google mentions focusing on city driving instead of highway driving in their annual disengagement report [1]: > Mastering autonomous driving on city streets -- rather than freeways, interstates or highways -- requires us to navigate complex road environments [...]. This differs from the driving undertaken by an average American driver who will spend a larger proportion of their driving miles on less complex roads such as freeways. Not surprisingly, 89 percent of our reportable disengagements have occurred in this complex street environment (see Table 6 below). 1: https://static.googleusercontent.com/media/www.google.com/en//selfdrivingcar/files/reports/report-annual-15.pdf https://static.googleusercontent.com/media/www.google.com/en...