Southern Road Number Southern 159009 This green 89 ft tri-level closed auto rack, has three large SOUTHERN logo panels on grill with road number, as was usual with tri-level closed auto racks, the flat cars were built by a car builder and the racks were built by an outside agency. This flat car was built for the Southern by Pullman-Standard in July 1977, the racks were made by Paragon and applied to flat cars in this series that same year.