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Westpac Geographical Interlocking – Mk 111A - Maintenance

Signalling Maintenance Courses

Duration 10 Days
Location Derby or Any location subject to equipment requirements
Delegates Maximum 8

Bespoke & Private Courses

We can also reserve a course for your company exclusively, and we can design courses to meet your company's specifications. Please contact us to discuss your requirements.

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This course is intended for staff to gain a detailed knowledge of this type of circuitry with respect to maintenance & faulting.

Key Features

  • Underpinning knowledge of the system
  • Detailed understanding of the processes
  • Practical fault finding exercises.

Course Outcomes

On successful completion of this course, the delegate will be able to perform maintenance and fault finding of the system in the following areas:

  • System Construction and Wiring
  • Levels of route
    • Selection
    • Calling
    • Locking
    • Aspects
    • Releasing
  • Panel Indications
  • Bi-directional Working
  • Overlaps
  • Restricted Aspects
  • Preceding Shunt Signals
  • Flank Protection
  • Fault Finding

Assessment and Certification

Achievement of the Course Outcomes will be assessed by a practical and theory assessment to demonstrate the underpinning knowledge gained.

The delegate’s achievement of the Course Outcomes will be confirmed by a certificate which will be forwarded to the nominated client contact following the course.


It would be helpful if delegate have a good knowledge of general signalling principles and circuitry, and to be an existing maintainer.

Practical Information

Duration: 10 Days

Location: at our Derby training centre, or on your premises where a training interlocking is available.

Job Seekers Information

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