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Which of the following is NOT a warning sign? i. Pedestrian Crossing ii. Men at Work iii. School iv. Truck Prohibited v. No stopping
Both ii and v
Both iv and v
Both i and iv
Both ii and iii
Both iv and v
Traffic signs are categorized by function into regulatory, warning, and informatory signs. Warning signs (cautionary signs) alert drivers to potential hazards ahead and are typically triangular in shape with a red border, while regulatory signs (like prohibitions) are circular and dictate legal requirements.
IRC: 67-2012 (Code of Practice for Road Signs)
Traffic signs are categorized by function into regulatory, warning, and informatory signs. Warning signs (cautionary signs) alert drivers to potential hazards ahead and are typically triangular in shape with a red border, while regulatory signs (like prohibitions) are circular and dictate legal requirements.
d=v├ЧtrтАЛ+2g(f┬▒s)v2тАЛ тАФ where d is the stopping distance required based on sign warning
Warning signs function on the principle of alerting drivers to road geometry or road user conditions (e.g., School, Pedestrian Crossing) to ensure safety. Regulatory signs operate on a command or prohibition principle to manage traffic flow and ensure compliance with law (e.g., Truck Prohibited, No Stopping).
Warning signs are equilateral triangles with the apex pointing upwards.
Regulatory signs are generally circular with red borders.
No stopping and Truck Prohibited are mandatory/regulatory signs, not cautionary.
Traffic control devices follow the guidelines laid by the Indian Road Congress (IRC).
Improves road safety by reducing driver reaction time.
Standardized shapes and colors ensure universal recognition.
Excessive usage can lead to sign clutter, reducing efficacy.
Poor maintenance (e.g., lack of retro-reflectivity) makes signs ineffective at night.
Highways and expressways.
Urban traffic management zones.
Construction zones and school vicinity.
Option iv (Truck Prohibited) and v (No stopping) are prohibitory regulatory signs.
Pedestrian Crossing, Men at Work, and School are classical examples of warning signs.
Regulatory signs convey commands or prohibitions; failing to obey them is a traffic violation.
Option B is correct тАФ Truck Prohibited and No stopping are regulatory/prohibitory signs, not warning signs.
Always remember the shape convention: Triangle = Warning, Circle = Regulatory, Rectangle = Informatory/Directional.
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