Rules, standards, and instructions for installation, inspection, maintenance and repair of automatic block signal systems, interlocking, traffic control systems, automatic train stops, train control, and cab signal systems, and other similar appliances, methods and systems. Effective Oct. 1, 1950.
APA Citation
United States. Interstate Commerce Commission. Bureau of Safety. (1950). Rules, standards, and instructions for installation, inspection, maintenance and repair of automatic block signal systems, interlocking, traffic control systems, automatic train stops, train control, and cab signal systems, and other similar appliances, methods and systems. Effective Oct. 1, 1950. [Washington: U. S. Govt. Print. Off..
MLA Citation
United States. Interstate Commerce Commission. Bureau of Safety. Rules, Standards, And Instructions for Installation, Inspection, Maintenance And Repair of Automatic Block Signal Systems, Interlocking, Traffic Control Systems, Automatic Train Stops, Train Control, And Cab Signal Systems, And Other Similar Appliances, Methods And Systems. Effective Oct. 1, 1950. [Washington: U. S. Govt. Print. Off., 1950.