Diagrammatic signs
Lane-use Control by Regulation (DGS3)

Purpose
To guide you by means of a diagram, which indicates that, the right-hand lane of a two-lane carriageway or part of a carriageway is subject to a compulsory requirement of a ‘command’ or ‘prohibition’ regulatory sign. Opposing traffic flow is indicated by a dotted arrow.
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Other diagrammatic signs
- Guidance signs (GS1)
- Additional Lane (DGS2)
- Traffic Movements Affected by an Obstruction (DGS1)
- Lanes Merge (DGS4)
- Arrestor Bed (DGS5)
- Engage Lower Gear (DGS6)