There is no question that your husband should take care of these "tickets" he has pending as soon as possible. Most traffic violations do not affect the family petition process. However, how many, how recent, and what kind, may be relevant in the process. In addition, there are still many facts missing that could affect the process. Consult with an immigration attorney in your area and discuss all the facts pertaining to your hsuband even if you think they may not be relevant.