Russia always had first mover advantage in the SouthernCorridor purely by virtue of being able to redirect initial supplies from Ukraine towards South Stream markets.
North Carolina received money to start improving existing track and an agreement was signed with rail freight company Norfolk Southern Railways to start exploring a major high-speed rail corridor between Charlotte and Raleigh.
One can get a sense of how important this air corridor is from the fact that Kandahar Air Field near the Pakistan border in southern Afghanistan is reported to have the busiest runway in the world with some 700 flights landing or taking off there every day.