What it means
Marks a point where officials check vehicles. Keep going only once you've been cleared.
What to do
You must stop at this control point, such as a checkpoint, toll gate or border post, and wait to be cleared before moving on.
How to read prohibitory signs
Prohibitory signs are mostly circles with a red ring, and they tell you what you must not do or set a limit you must keep. They're the opposite of the blue circles, which tell you what you must do.
More prohibitory signs
- Stop: children school
- Priority for on-coming traffic
- End of all prohibitions
- End of speed limit
- Parking prohibited
- Parking or waiting prohibited
On the way to your test? Read how the NTSA test works and how the Model Town Board is used.
