No quad bikes
In Arabic:ممنوع مرور الدراجات الرباعية
What it means
Quad bikes must not use this road or area. Ride them only where it is allowed.
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.
