scope:

Introduction

SSI8003-69 deals with some of the more complex junction signalling arrangements, including flashing aspects and splitting distant signals. It is based on GK/RT0031.

These subjects are dealt with under the following main sections headings:

Chapter B - Route Indicator Mixture, Reading Through, and Flashing Aspects

2. Mixture of Route and Junction Indicator Types with Sequential Lighting

3. Reading through

4. Flashing aspects

5. Referenced Standards

Chapter C - Splitting Distant Signals

1. Introduction

2. Principles

3. Data - General

4. Data - Simpler Case - Left-hand Junction

5. Data - Simpler Case - Right-hand Junction

6. Outer Splitting Distant Signal

7. Where Junction Signal Main Aspect is Visible Before its Indication of Route

8. Interlocking Boundary in Rear of Junction Signal 9. Referenced Standards