Cross toward Centre Island during a snowstorm and the causeway becomes the loneliest strip of road in the county. Polar Property Services takes properties whole rather than piecemeal — plowing the drive, opening walkways and parking areas, digging out steps and doorways, then salting where meltwater will run and freeze. On this shoreline the spray and the snow arrive together, and pavement near the water wants watching even after the sky clears. There is an order to it that satisfies: the long approach first, the tight hand work next, then a final pass to square every edge. By breakfast the place looks like it slept straight through the whole thing.