Keep your parking lot clear of vehicles that don't belong with Unauthorized Parking signs from eSigns. When a vehicle starts to park in one of the parking spaces you reserve for company vehicles, delivery trucks or emergency situations, an "Authorized Parking Only" sign will immediately alert your customers that parking in that area is not allowed. By adding wording that indicates the vehicle may be towed or that they may be fined for parking in unauthorized areas, potential violators will think twice before pulling in and parking their vehicle in that spot.