Modern type of push-button all-relay control; remote control of switch box from central station; use of remote d-c control system for distances less than 5 km; in case of larger distances and when railroad is electrified, voice frequency control is preferred; examples from experience of French rairoads.
Centralized control of railroad traffic
La commande centralisee des circulations ferroviaires
Revue Generale de l'Electricite ; 69 , n 2
1960
17 pages
Article (Journal)
French
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Centralized traffic control installed on Alton railroad
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