Ahead only
In Arabic:إلى الأمام فقط
What it means
You must go straight ahead. Do not turn left or right, or make a U-turn.
About regulatory signs
Regulatory signs give orders. A red ring tells you something is not allowed, a blue disc tells you what you must do, and STOP and GIVE WAY have shapes of their own. Speed-limit signs show the number in Western digits with Arabic-Indic digits below.
