I eat roadside blackberries, in that if I am walking along and there is a roadside blackberry that looks tasty, I eat it. This has not killed me yet, but probably isn't doing my life expectancy much good. [On the other hand, my reduced life expectancy has a lot more blackberries in it]

But I don't go blackberrying at roadside blackberry patches - if I was going out to pick a tub full, I'd go somewhere not near the road