New Amtrak Mardi Gras line starts Gulf Coast service soon. Trains will run from Mobile to New Orleans. Two Mississippi routes are in big ticket sale.

Both Mobile and Montgomery allow open containers of alcohol within designated areas, but there are some key differences.

W hen Amtrak's new Mardi Gras service between New Orleans and Mobile, Ala., launches next week, Texas passengers keen on exploring the central Gulf Coast need travel only as far as Baton Rouge.