NS Northbound Freight Train 340 rumbles through Springville, Al. on its way to Chattanooga, Tn. The 340 comes off of the KCS as M-SHNS ( Shreveport, La. to NS at Meridian, Ms. ) where NS runs the 340 to Irondale, Al. ( Norris Yard ) where it used to terminate, but recently the 340 has been...