@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (!super.equals(obj))
			return false;
		if (!(obj instanceof SimpleTrain))
			return false;
		SimpleTrain other = (SimpleTrain) obj;
		if (ID != other.ID)
			return false;
		if (number != other.number)
			return false;
		return true;
	}