The simple answer is yes. Having a clear driveway for not only you, but for any emergency vehicles or visitors that may have to come to your house is key. Not only will you be able to get in an out of your driveway easier, emergency personal will appreciate not having to walk through snow
Again, the simple answer is yes. Having your sidewalks and driveway salted can help prevent you and your visitors from being injured by falling down on the ice.