Where:
Displayed on any public road where it is necessary to restrict access to general traffic, often due to road works, emergency situations, special events, or maintenance operations.
This temporary sign is commonly used to manage traffic flow and ensure safety for both workers and motorists in restricted areas.

Purpose:
To prohibit all vehicles without special authorization from entering a particular road or section of a road.
Only vehicles that have been granted permission, such as construction vehicles, emergency services, or authorized personnel, may enter beyond this point.

Action:
Do not proceed past the sign or enter the restricted area unless you have official authorization to do so.
Follow any detour signs or instructions from traffic officers to continue your journey safely and legally.