System consists of three parts: detectors, which are switches operated by vehicles approaching intersection; signal lights, which may be any one of standard types of red, amber and green traffic lights; despatcher, which receives electrical impulses from vehicle detectors and controls signal lights in accordance with traffic requirements.
Electro-matic traffic dispatching system
Am Inst Elec Engrs -- Trans
1932
6 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Electro-matic road traffic control equipment
Engineering Index Backfile | 1958
|Electro-matic system of traffic control in Trafalgar Square
Engineering Index Backfile | 1933
Automotive engineering | 1996
|Automotive engineering | 1996
|SAE Technical Papers | 1952
|