This morning NS 4001 AC44C6M in DC to AC paint scheme was on the point of NS 275 (SHELBYVILLE, KY - ATLANTA, GA) as it headed south at CP Bridge just south of the Chattahoochee river crossing. It left a cut of cars at Inman Yard and then headed south to East Point with the remaining auto racks.
(http://i1175.photobucket.com/albums/r630/NSSpike/Rail%20Photos%208.20.16%20NS%20275_zpshcqkmfah.jpg)
Nice catch! When NS break-up the pairing of #4001 and #4002?