The bands come off Lake Ontario, climb the Tug Hill and let go over Rome — sometimes an inch an hour, sometimes all night. 315SnoBlow Inc works those hours: plow, blower, the scrape of steel across a driveway apron while the streetlights still hold the dark. By the time the coffee is on, the cars can back out clean and the mailbox is standing in open air again. Come May the same trucks trade blades for mowers, and grass that spent five months under a white lid gets its first straight lines of the year. Two halves of the calendar, one short list of streets, known by heart.