Training for the Railway Industry
Telephone: 023 8065 1388

Principles of Automatic Train Protection and Automatic Train Operation (ATP/ATO)


The aim of this course is to give an introduction to ‘Automatic Train Protection and Automatic Train Operation’ and some of the methods used to achieve these functions.

Course Objectives

On successful completion of the course the candidate will be able to:

  • Define Block Sections
  • Explain the function of a Trainstop
  • Explain the function of TPWS
  • State the purpose of Block Markers
  • Describe, briefly, the function of a JTC Track Circuit
  • Explain the purpose of Permanent Speed Restrictions
  • Define Maximum Safe Speed (MSS) and Target Speed (TS)
  • Explain when the Brake Application is applied
  • Describe a Train Profile
  • State the functions of the Automatic Train Operation (ATO) System
  • State the purpose of the PAC (Platform ATO Communicator)
  • Define Route Run Data
  • Describe the content of Positive Train Identification (PTI) data

Additional Information

Personal Protective Equipment

This course is classroom based and therefore no P.P.E is required.


A Certificate of Competence will be awarded to the delegate on successful completion of the written assessments.

S&T Training Limited

Railway Goods Yard
Dutton Lane
Hampshire, SO50 6AA

Tel: 023 8065 1388
Fax: 023 8072 8660



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