Where:
At intersections on any public road, especially in areas where turning could disrupt traffic flow, create congestion, or pose a safety hazard.
These signs are typically used in urban areas, near schools, or at busy junctions

Purpose:
To prohibit specific turning movements,either left, right, or both, at the intersection.
This ensures safer traffic flow, prevents collisions, and minimizes congestion by controlling the direction vehicles can legally travel.

Action:
If a left-turn prohibition is displayed: You may proceed straight or turn right only.
If a right-turn prohibition is displayed: You may proceed straight or turn left only.
If both turns are prohibited, You must proceed straight through the intersection.
Always observe surrounding traffic, road markings, and signals to ensure safety while obeying the turn restriction.
These rules help maintain orderly traffic movement and reduce the risk of accidents at intersections.