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Interpretation and writing of TOPAS 2500 Controller Specification forms for Transport Modellers and Design Engineers

Birmingham - Conference Aston  16.03.2020

Who should attend.

This course will benefit both Transport Modellers and Traffic Signal Design Engineers


Prior to attending the course, Delegates should have a basic understanding of traffic signal terminology such as Phases, Stages and Intergreens.

Course content.

  • Purpose of the specification. History of the specification and structure of the associated document
  • Introduction to the ITS1827D forms and associated spreadsheet
  • Working up and interpreting ITS1827D data
  • Introduction to the study junction
  • Examination of the Forms 1 to 13
  • Each form in order with examination of start-up sequence and starting intergreen and a theory break for Phase Delays, Detection and Controller Logic
  • Boolean Logic Workshop Exercise
  • Using the study junction to work up Boolean Logic for UTC, CLF and VA
  • Examination of the Forms 14 to 21
  • Each form in order with theory breaks for Call/Cancel Loops, Shuttle Working, SDE/SA and CLF
  • Examination of the Forms 22 to 33
  • Each form in order with theory breaks for Hurry Calls, Priority/Emergency Modes, Pedestrian and Cross Stream Linking and LRT detectors








All JCT courses are Approved or are pending Approval by the Institute of Highway Engineers and attendance is therefore recognised by the IHE and many other bodies as evidence of Continual Professional Development (CPD).

Courses are managed under a ISO9001 Quality Management System.

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