code of the road造句

By contrast, with the automobile today-- with personal convenience and individual preferences now the unequivocal codes of the road such sacrifices are no longer required.
This, I figured, is the code of the road, at least when some crazy adult lets go of his handgrip, posing a threat to self and all around.
It's difficult to find code of the road in a sentence. 用code of the road造句挺难的