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Engines 1609, 1529, 1636, (missed the number of the fourth unit) lead an eastbound train into North Carolina and passed the west end of Waxhaw siding on April 19, 1981. The signal on the left governs the siding and the one on the right is for the main line.
In 1960 SAL installed CTC between Shands and Greenwood, SC 32 miles. The CTC machine in Atlanta controlled nine power switches and 20 signals. In 1961, it installed CTC between Greenwood and Monroe, NC 118 miles. The territory was added to the CTC machine in Atlanta. Disk 129