Either that or this magical thing called GNSS :)
Openstreetmap has roads mapped down to a couple decimeters and Japan has its own satellite constellation QZSS, which in combination would be more than enough to find the center of the road and then slowly work your way outwards to the edges.
I assume they don’t wait until there’s 60 feet to start plowing
Yeah but those perfectly straight walls of snow make me question that. It looks carved.
Either that or this magical thing called GNSS :)
Openstreetmap has roads mapped down to a couple decimeters and Japan has its own satellite constellation QZSS, which in combination would be more than enough to find the center of the road and then slowly work your way outwards to the edges.