Circle: Mandatory Signs (अनिवार्य संकेत) - Rules that must be followed (e.g., speed limits, no entry).
Triangle: Cautionary Signs (सचेतक संकेत) - Warns of dangers ahead like narrow bridges or sharp curves.
Rectangle/Square: Informatory Signs (सूचनात्मक संकेत) - Provides information about destinations, facilities, or parking.
Octagon: Stop (रुकें) - Requires coming to a full stop.
Inverted Triangle: Yield (रास्ता दें) - Slow down and give way to other traffic.
Diamond: Special Warnings (विशेष चेतावनी) - Used for hazardous conditions.
Pentagon: School zone (स्कूल क्षेत्र) - Used for school zone is ahead signs, school crossing zone signs, and country route signs