IN Erie, Pa. last week, Alfred E. Perlman, president of the New York Central Railroad, ushered in a new symbol of 20th century progress for his venerable old line. Throwing a switch on a signal box (see cut), he formally opened a new 163-mile, electronically regulated stretch of double track between Cleveland and Buffalo. With the new system, the longest in the U.S., only two men seated before a light-studded control panel at Erie can automatically control all traffic between Cleveland and Buffalo.
Instead of the old four-track main line, the Central's electronic system...
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