Here at the iDefensiveDriving.com headquarters, we often get a lot of questions about traveling with a firearm. Whether you are traveling by plane, train or automobile, you should remain informed and updated on current state and US laws, pertaining to and regulating the possession of a firearm while traveling. It is often said that misinformation or a lack of information is not a defense to prosecution, and in the case of traveling with a firearm, you should always err on the side of caution.
Here is a great link to help you stay current on the rules and regulations pertaining to traveling with a firearm:
Guide to the Interstate Transportation of Firearms
… And even though this is a recommend link, always do your own “due diligence” before traveling with a firearm.