public Car(int id, VehicleModelData carmodeldata) : base(id, carmodeldata) { }
public Bus(int id, VehicleModelData modeldata) : base(id, modeldata) { }
public Truck(int id, VehicleModelData truckmodeldata) : base(id, truckmodeldata) { }
public Motorcycle(int id, VehicleModelData motorcyclemodeldata) : base(id, motorcyclemodeldata) { }