Route Relay Interlocking Design (RRIDO)

Signalling Design

Route Relay Interlocking Design (RRIDO)

Duration:

10 Days

Location:

Derby / Your Premises

Certification:

Certificate of Attendance

The route relay interlocking technology is the universal basis of all interlocking principles and control tables, such that this course is valuable even if the delegate is not intending to work on RRI technology
Closely links the standard circuits to signalling principles and control tables
Completely updated to reflect current requirements
Relay names and technical jargon are explained in "plain English" terminology
Underpinning Knowledge matched to IRSE Licence requirements
Extensive practical exercises reinforce learning of circuit application
Delegates will benefit from practice on our working route relay interlocking

Who Should Attend This Course?

This course is intended for the signal designer who is working towards the principles designer's role.

Course Content and Learning Outcomes

On successful completion of this course, the delegate will be able to describe the function of, and create site specific designs for, the following classes of circuitry.

Push Button Interlocking
Route Interlocking
Points Interlocking and interfaces
Sectional Route Locking
Signal Controls
Route Normalisation
Indications
Timing Circuits
Swinging Overlaps
Stepping-up of class of route
Preset Shunt Signals

Download Full Syllabus (PDF)

Available Dates

May 11, 2026

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Entry
Requirements

A well prepared delegate is expected to be able to interpret signalling layout plans, signalling control tables and circuit diagrams.

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Course Page FAQs

What certification do I receive after completing the course?

On successful completion, you will receive a Signet Solutions Certificate of Attendance confirming the content covered and the duration of your training. This certificate supports your professional development record and can be used as evidence towards IRSE licensing requirements.

How does this course support IRSE licensing preparation?

The content of our courses is designed to align with IRSE professional standards and provides the underpinning knowledge that supports your journey towards IRSE licensing. While the course itself does not grant a licence, it is widely recognised as essential preparation.

Is this course available as a dedicated group booking?

Yes. We regularly deliver courses as a dedicated course for groups of engineers. Delivery can be arranged at our Derby training centre or at your own premises. Contact our team to discuss a tailored arrangement.

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