R-3 No Straight Ahead Sign - Traffic Regulation Symbol Explained #1982459 (License: Personal Use)

This is the Brazilian traffic sign R-3, officially labeled “Sentido proibido,” which prohibits vehicles from moving straight ahead at an intersection or roadway segment. The sign features a bold black upward-pointing arrow inside a red circle crossed by a diagonal red bar, conforming to CONTRAN standards. It is commonly placed before intersections where only turns are permitted, ensuring traffic flow and safety compliance.

Used on Brazilian roads by traffic authorities to regulate vehicle movement; appears on municipal websites, driver’s manuals, road safety campaigns, and digital signage systems to inform drivers of prohibited maneuvers.