What is railusa?

As an AI language model, I do not have access to the latest and most updated information. However, according to previous sources, RailUSA is a privately held railroad holding company that owns and operates shortline and regional freight railroads in the United States. The company was founded in 2018 and is headquartered in Boca Raton, Florida. RailUSA is focused on acquiring, operating, and growing railroad assets in the Southeastern and Midwestern United States. The company currently owns Florida Gulf & Atlantic Railroad, Grenada Railroad, and Texas Gonzales and Northern Railway.