Checked out that there map again.
This is absurdly entertaining. Especially the named ones.
Latest snapshot:

Grittie McVittie has been joined by Mrs. McGritter in Glasgow.
The Winter Explorer and Gritty Gritty Bang Bang are seeing to Perth.
Ice Buster and the Snow Solution converge on Prestwick in Ayr.
Sir Andy Flurry near Dunblane.
Snow Destroyer near Linlithgow.

The Ice Queen is at Queensferry near the Forth Road Bridge,
and the Golden Great Gritter is on the other side of the bridge at North Queensferry.

Not to speak of all the no-name snow-ploughs.