Patriot Transportation Holding, Inc. is engaged in the transportation and real estate business. The Company�s transportation business is conducted through Florida Rock & Tank Lines, Inc. (Tank Lines), which operates in the Southeastern United States. Tank Lines hauls petroleum and other liquids and dry bulk commodities by tank trailers. The Company's real estate activities are conducted through two wholly owned subsidiaries: Florida Rock Properties, Inc. (Properties) and FRP Development Corp. (Development). The Company operates in three segments: transportation, mining royalty land and developed property rentals. The mining royalty land segment owns real estate, including construction aggregate royalty sites and parcels held for investment. The developed property rentals segment acquires, constructs, and leases office/warehouse buildings in the Baltimore/Northern Virginia/Washington area and holds real estate for future development or related to its developments.