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Infinity Training and Assessing can offer a variety of signalling training courses at our fully equipped premises in Horsley Cross.

The instructors provided will be highly experienced in the technical subject and either be working towards the recommended level 4 trainer qualification or will have already achieved this or higher.

To view the courses we are able to offer please click on the links. However should you not be able to find the course you require please email us at info@infinity-training.co.uk and we will do our best to help.


"We found the trainer to be very knowledgeable, patient and helpful throughout the course. Everything was explained in a manner that was easy to take in and remember. All in all it was a great course" Technotrack Engineering Team Leader

TI21 Track Circuits

New category?
Number of delegates: 8
Duration: 4 days
Location: Horsley Cross

Who should attend
The course is designed for first line faulting and maintenance staff who already have a good working knowledge of railway signalling.

On successful completion of the course delegates will be able to:
  • Understand the operation and principles of a TI21 track circuit
  • Complete maintenance and testing of the TI21 track circuit as stated in the SMS.
  • Fault find basic right side failures and understand how to rectify them.
  • Replace and re-test any TI21 track circuit component.
  • Be able to complete maintenance records cards correctly and check to relevant specifications.

Learning approach
30% classroom based theory
70% practical sessions including trainer demonstrations and hands on testing and fault finding sessions.
Theory and practical assessments to verify the understanding of the delegates.

Delegates must have a good understanding of railway signalling principles and have completed a Basic Signalling One course or equivalent.