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All freight movements over Britain's rail network are monitored and controlled by an advanced computer-based system known as TOPS (Total Operations Processing System). The film follows the progress of a wagon load of equipment from Truro to the Midlands and shows how TOPS makes it possible to accommodate a last minute change of plan.
Release: Jan 01, 1978
Runtime: 19 minutes
Language: English
Studio: British Transport Films
Country: United Kingdom
Cast: Frank Windsor
