Recommendations as to street traffic control signals
100-cycle power distribution for code train stop
Further hearings on automatic train control
I.C.C. hearing on train control
Hearings on automatic train control
Colour light signals for road traffic
Train control maintenance experience
Details of traffic control methods
Norfolk and western speed up train operation with dispatcher control
Train control system using rays of light developed on German State Railways
Automatic switching equipment for railway signal service
Lackawanna modernizes signal system for automatic train control
The automatic train control committee's report