The PD Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Florida & Alabama. The line runs from Pensacola, FL to Flomaton, AL for a total of 41.0 miles. At its south end it continues north from the P&A Subdivision of the Jacksonville Division and at its north end it continues north as the M&M Subdivision.
References
PD Subdivision Wikipedia(Text) CC BY-SA