Keywords: Korean Traffic sign (Dangerous Substances Prohibited).svg South Korea road sign 231 svg en Korean traffic sign Dangerous Substances Prohibited ko 민국 교통 험물적재차량통행금 ja 韓国の交 標識 危険物積載車両 行止め own P Ctnt 2010-05-14 Korea Traffic Safety Sign - Regulatory SVG road signs in South Korea Red circle with left slash |