Where:
On any public road where there is a restriction in the road width for example, at narrow bridges, tunnels, underpasses, or construction zones.

Purpose:
This sign informs drivers that they may not proceed beyond the sign if the overall width of their vehicle (including load, mirrors, or attachments) is equal to or greater than the width indicated in metres on the sign.
The restriction ensures that vehicles too wide for the roadway or structure do not cause damage, congestion, or accidents.

Action:
Before entering the restricted section of the road, check your vehicles overall width.
If your vehicles width exceeds the limit shown on the sign, do not enter find an alternative route.
If your vehicles width is less than the limit, you may proceed with caution, ensuring you remain within the confines of the road or structure.