This is a great time of year in New Mexico. Roasters are set up around town ready to roast that wonderful green chile to perfection, or you can roast it on your own. If you are going to take chile across country the only safe way is to take it raw, unprocessed or frozen with a method that assures the chile stays frozen.
Here is guidelines for roasting and freezing your green chile safely. Green chile can also be canned. Check out these publications from New Mexico State University.
Processing Green Chile
Canning Green Chile