Cultural norms have nothing to do with optimal driving. It used to be a cultural norm in parts of the US to drive around with a 6-pack of beer in the console, a

Cultural norms have nothing to do with optimal driving. It used to be a cultural norm in parts of the US to drive around with a 6-pack of beer in the console, and one in your lap. Just because a culture has "unspoken driving rules" doesn't mean they're safe or sound.