In addition, it would later acquire the original Norfolk Southern in 1974. Interactive Maps of U.S. Freight Railroads Railroads are the lifeblood for North America's freight transportation. Registered in England under number: 06574965. Registered office: 3rd Floor, 41-51 Grey Street, Newcastle upon Tyne, NE1 6EE. It shows transportation routes spanning over 21,000 miles. A 1952 system map of the Southern Railway, prior to its acquisition of the Central of Georgia, Savannah & Atlanta, and Georgia & Florida in 1963. Southern is a trading names of Govia Thameslink Railway Ltd. Southern is a trading names of Govia Thameslink Railway Ltd. The Southern Railway network consists of commuter rail lines in South London and regional services extending into the southern counties. Registered in England under number: 06574965. The Louisiana Southern Railway Company (LS) was a railroad in southern Louisiana, chartered in 1897 as successor to several short lines which had operated along the Mississippi River, including Mississippi, Terre aux Boeuf, and Lake; New Orleans and Gulf; and New Orleans and Southern, that eventually became part of the Southern Railway system.. Author's work. Registered office: 3rd Floor, 41-51 Grey Street, Newcastle upon Tyne, NE1 6EE. Govia Thameslink Railway Ltd is a wholly owned subsidiary of Govia Ltd. All Southern Railway lines are south of the Thames, with the exception of the West London line which runs through London via Shepherd's Bush and up the West Coast main line to Milton Keynes. There are seven major railroads in the United States (Class I railroads) and over 500 shortline and regional railroads (Class II & Class III railroads). The NS system maps, directories, and schedules can help your domestic and international ship more efficiently. This is an interactive system map of Norfolk Southern, a class I rail carrier along the east coast. Norfolk Southern operates on nearly 22,000 route miles in 22 states and D.C. Govia Thameslink Railway Ltd is a wholly owned subsidiary of Govia Ltd.