Even though accumulating snow is likely to avoid much of Interstate 95 from Philadelphia on south, the impending storm and nor'easter will deliver heavy, travel-snarling snow farther to the north and west, and the New York City area may be a snow versus rain battleground, AccuWeather meteorologists continue to warn. For some areas of the Northeast, this will still be the heaviest snowfall in two years. Those with travel plans on the roads, rails and skies this weekend should be prepared for weat