Cohort Outtake: So What’s With The Cones?

Cone Cadillacs 1

Usually it’s the cars that grab me when I go trolling at the Cohort. But this shot posted by nifticus is a bit of a head-scratcher. Why does the owner of these three white Cadillacs (and one white Dodge pickup) place safety cones on their street sides? Is it a British Columbian thing? Anyone have a clue?