Staging and phasing

  • R. J. Salter


In the control of traffic at signal-controlled intersections, conflicts between streams of vehicles are prevented by a separation in time. Green signals are therefore shown to different sets of movements (or streams), so that conflicting ones do not receive a green signal simultaneously unless permitted in some circumstances (such as opposed right-turning traffic). Traffic streams therefore have to be divided into separate sets so that all streams in each set always receive identical signal indications. This procedure by which the streams are separated is known as ‘phasing’.


Traffic Stream Urban Traffic Highway Traffic Green Stage Phase Length 
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Copyright information

© Y. Salter and N. B. Hounsell 1996

Authors and Affiliations

  • R. J. Salter
    • 1
  1. 1.University of BradfordUK

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