I believe there's some logic in alternating patterns being more attention-grabbing to our brains, which is why you usually see stripes on anything you need to be cautious around.
The pole isn't for locating the hydrant, per se, as much as it is for avoiding the hydrant. It's so you don't drive into it if it's covered in snow.
Fester@lemm.ee 6 months ago
It works in regular snow and blood snow