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About This Item


Full Description

Specifies requirements for those characteristics of traffic signal controllers which interact with other equipment associated with road traffic signal installations, with the objective of ensuring that, as far as practicable, controllers from different manufacturers will be physically interchangeable, and that the functioning of the controller will be independent of the characteristics of externally connected equipment. It also specifies certain general requirements for the design and construction of controllers.

Document History

  1. AS 2578-2009


    Traffic signal controllers

    • Most Recent
  2. AS 2578.1-1983

    Traffic signal controllers - Physical and electrical compatibility

    • Historical Version