100-cycle power distribution for code train stop
Application of computer simulation to study of traffic signal system operation
Automatic switching equipment for railway signal service
Automatic train control and track circuit
Automatic train control on great western of England
Buffalo weds computer to traffic signal system
Central New Jersey installs cab signaling on single track without permissive wayside signals
Colour light signals for road traffic
Coordinated traffic signalling system -- Sydney, Australia
Coordination of safety in train control
Details of traffic control methods
Developments in aircraft control cables
Discussion of warrants for scramble signals
Electrical control of road traffic by vehicle actuation
Electrical engineering and traffic safety
Hearings on automatic train control