The Cotton Belt, never a double-track road, realized that one of the most important factors in expediting trains, and thus giving better service, was the continuation of the centralized traffic control program inaugurated in 1941 but which had to be deferred during World War 2. Centralized traffic control was an electronic system of signals to control train movement. Train wheels acted as contacts in an electrical track circuit to actuate signals and indicated exact location of all trains. The electric impulses lit lamps on a track model board located in the dispatcher's office. Seated at his board in Pine Bluff, Arkansas, he can control train movements for hundreds of miles. By flipping levers and pushing buttons on the panel before him, the dispatcher Opens and closes railroad switches, shunts slow trains on to sidings, and expedites the meeting of trains running in opposite directions on the same track. With centralized traffic control a single-track railroad is able to handle up to 80 per cent more traffic with greater speed, efficiency and safety. In 1956 the Cotton Belt completed, at a total cost of $5 1/2 million, the program begun in 1941, and as of 1957 operated over 752 miles of signal-protected track from St. Louis, Missouri, to Corsicana, Texas.
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