Check out this great new article on a company who will make travel arrangements and provide travel iteniraries that can arrange for gluten-free eating on every step of your journey. They work with all allergies, and will ensure that you won't be getting any contaminated food along the way as well as notify chefs at hotels and restaurants ahead of time so they are prepared for your arrival.
And, don't forget to bring along a few bags of Bhuja snack mixes! They're perfect for any traveling snack needs!