What it means
You'll see this where a left turn would lead into a restricted or one-way road.
What to do
You may only go straight on or turn right at this junction. Turning left is not allowed.
How to read mandatory signs
Mandatory signs are blue circles, and they tell you what you must do. If you see a blue disc, it's an order rather than a suggestion.
More mandatory signs
- Pass to the left
- Compulsory cycle track
- Compulsory pedestrian foot path
- Compulsory track for cattle
- Compulsory minimum speed
- End of compulsory minimum speed
On the way to your test? Read how the NTSA test works and how the Model Town Board is used.
