Amtrak unveils Mardi Gras Service connecting Mobile to New Orleans, a bold step that signifies how the Gulf Coast revival is igniting new passenger rail tourism after Hurricane Katrina. This announcement — that Amtrak unveils Mardi Gras Service connecting Mobile to New Orleans — shines as a symbol of hope, demonstrating how the Gulf Coast revival is igniting new passenger rail tourism after Hurricane Katrina, energizing communities once separated by storm-broken tracks.