The S&NA South Subdivision is a railroad line owned by CSX Transportation in the U.S. state of Alabama. The line runs from Birmingham, Alabama, to Montgomery, Alabama, for a total of . At its north end it continues south from the Boyles Terminal Subdivision and at its south end it continues south as the M&M Subdivision.http://wiki.radioreference.com/index.php/SS-S_and_NA_South_Sub CSX S&NA South Subhttp://www.multimodalways.org/docs/railroads/companies/CSX/CSX%20ETTs/CSX%20Atlanta%20Div%20ETT%20%233%201-1-2005.pdf CSX Atlanta Division Timetable
See also List of CSX Transportation lines
References