At the end of 1971, the Southern operated 6,026 miles (9,698 km) of railroad, not including its Class I subsidiaries Alabama Great Southern (528 miles or 850 km); Central Of Georgia (1729 miles); Savannah & Atlanta (167 miles); Cincinnati, New Orleans and Texas Pacific Railway (415 miles); Georgia Southern & Florida (454 miles); and twelve Class II subsidiaries. That year, the Southern itself reported 26,111 million net ton-miles of revenue freight and 110 million passenger-miles. Alabama Great Southern reported 3,854 million net ton-miles of revenue freight and 11 million passenger-miles; Central Of Georgia 3,595 and 17; Savannah & Atlanta 140 and 0; Cincinnati, New Orleans and Texas Pacific Railway 4906 and 0.3; and Georgia Southern & Florida 1,431 and 0.3.
The railroad joined forces with theNorfolk and Western Railway(N&W) in 1980 to form theNorfolk Southern Corporation. The Norfolk Southern Corporation was created in response to the creation of theCSX Corporation(its rail system was later transformed toCSX Transportationin 1986). Southern and N&W continued as operating companies of Norfolk Southern until in 1982, when Norfolk Southern merged nearly all of N&W's operations into Southern to form the Norfolk Southern Railway. The railroad has used that name since.