NS Northbound Freight Train 340 ( Meridian, Ms. to Chattanooga, Tn. ) passing through Springville, Al. 340 runs as M- SHNS ( Shreveport, La. to Norfolk Southern in Meridian, Ms. ) via KCS & usually terminates in Birmingham, Al., but in some cases such as in this case they run it on to Chattanooga, Tn. to be humped there when Birmingham can't handle the traffic |